140139832 has 32 divisors (see below), whose sum is σ = 310658400. Its totient is φ = 57988224.

The previous prime is 140139829. The next prime is 140139841. The reversal of 140139832 is 238931041.

It is a junction number, because it is equal to n+sod(n) for n = 140139794 and 140139803.

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 7 ways as a sum of consecutive naturals, for example, 41523 + ... + 44770.

It is an arithmetic number, because the mean of its divisors is an integer number (9708075).

Almost surely, 2^140139832 is an apocalyptic number.

It is an amenable number.

140139832 is an abundant number, since it is smaller than the sum of its proper divisors (170518568).

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

140139832 is a wasteful number, since it uses less digits than its factorization.

140139832 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 86335 (or 86331 counting only the distinct ones).

The product of its (nonzero) digits is 5184, while the sum is 31.

The square root of 140139832 is about 11838.0670719506. The cubic root of 140139832 is about 519.4222280980.

The spelling of 140139832 in words is "one hundred forty million, one hundred thirty-nine thousand, eight hundred thirty-two".