139959755 has 8 divisors (see below), whose sum is σ = 180871152. Its totient is φ = 103354848.

The previous prime is 139959737. The next prime is 139959763. The reversal of 139959755 is 557959931.

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

It is a cyclic number.

It is not a de Polignac number, because 139959755 - 2⁸ = 139959499 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 139959697 and 139959706.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1076549 + ... + 1076678.

It is an arithmetic number, because the mean of its divisors is an integer number (22608894).

Almost surely, 2^139959755 is an apocalyptic number.

139959755 is a deficient number, since it is larger than the sum of its proper divisors (40911397).

139959755 is a wasteful number, since it uses less digits than its factorization.

139959755 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2153245.

The product of its digits is 1913625, while the sum is 53.

The square root of 139959755 is about 11830.4587823127. The cubic root of 139959755 is about 519.1996501965.

The spelling of 139959755 in words is "one hundred thirty-nine million, nine hundred fifty-nine thousand, seven hundred fifty-five".