140559594 has 64 divisors (see below), whose sum is σ = 329978880. Its totient is φ = 39087360.

The previous prime is 140559593. The next prime is 140559599. The reversal of 140559594 is 495955041.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is not an unprimeable number, because it can be changed into a prime (140559593) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 324402 + ... + 324834.

It is an arithmetic number, because the mean of its divisors is an integer number (5155920).

Almost surely, 2^140559594 is an apocalyptic number.

140559594 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 140559594, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (164989440).

140559594 is an abundant number, since it is smaller than the sum of its proper divisors (189419286).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

140559594 is a wasteful number, since it uses less digits than its factorization.

140559594 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 635.

The product of its (nonzero) digits is 162000, while the sum is 42.

The square root of 140559594 is about 11855.7831457901. The cubic root of 140559594 is about 519.9403210603.

The spelling of 140559594 in words is "one hundred forty million, five hundred fifty-nine thousand, five hundred ninety-four".