140250030 has 32 divisors (see below), whose sum is σ = 337363488. Its totient is φ = 37315200.

The previous prime is 140250007. The next prime is 140250049. The reversal of 140250030 is 30052041.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 140249991 and 140250009.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8760 + ... + 18900.

It is an arithmetic number, because the mean of its divisors is an integer number (10542609).

Almost surely, 2^140250030 is an apocalyptic number.

140250030 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

140250030 is an abundant number, since it is smaller than the sum of its proper divisors (197113458).

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

140250030 is a wasteful number, since it uses less digits than its factorization.

140250030 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10612.

The product of its (nonzero) digits is 120, while the sum is 15.

The square root of 140250030 is about 11842.7205489279. The cubic root of 140250030 is about 519.5583404680.

The spelling of 140250030 in words is "one hundred forty million, two hundred fifty thousand, thirty".