140265139 has 8 divisors (see below), whose sum is σ = 160428800. Its totient is φ = 120132936.

The previous prime is 140265131. The next prime is 140265161. The reversal of 140265139 is 931562041.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 140265139 - 2³ = 140265131 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 140265139.

It is not an unprimeable number, because it can be changed into a prime (140265131) by changing a digit.

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, 2632 + ... + 16954.

It is an arithmetic number, because the mean of its divisors is an integer number (20053600).

Almost surely, 2^140265139 is an apocalyptic number.

140265139 is a deficient number, since it is larger than the sum of its proper divisors (20163661).

140265139 is a wasteful number, since it uses less digits than its factorization.

140265139 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15729.

The product of its (nonzero) digits is 6480, while the sum is 31.

The square root of 140265139 is about 11843.3584341605. The cubic root of 140265139 is about 519.5769969705.

The spelling of 140265139 in words is "one hundred forty million, two hundred sixty-five thousand, one hundred thirty-nine".