140374479 has 32 divisors (see below), whose sum is σ = 221773824. Its totient is φ = 77286240.

The previous prime is 140374469. The next prime is 140374501. The reversal of 140374479 is 974473041.

It is not a de Polignac number, because 140374479 - 2⁴ = 140374463 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (140374439) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 249052 + ... + 249614.

It is an arithmetic number, because the mean of its divisors is an integer number (6930432).

Almost surely, 2^140374479 is an apocalyptic number.

140374479 is a deficient number, since it is larger than the sum of its proper divisors (81399345).

140374479 is a wasteful number, since it uses less digits than its factorization.

140374479 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 987.

The product of its (nonzero) digits is 84672, while the sum is 39.

The square root of 140374479 is about 11847.9736242110. The cubic root of 140374479 is about 519.7119694327.

The spelling of 140374479 in words is "one hundred forty million, three hundred seventy-four thousand, four hundred seventy-nine".