139762057 has 8 divisors (see below), whose sum is σ = 141283296. Its totient is φ = 138248352.

The previous prime is 139762037. The next prime is 139762069. The reversal of 139762057 is 750267931.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-139762057 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (139762037) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 40398 + ... + 43720.

It is an arithmetic number, because the mean of its divisors is an integer number (17660412).

Almost surely, 2^139762057 is an apocalyptic number.

It is an amenable number.

139762057 is a deficient number, since it is larger than the sum of its proper divisors (1521239).

139762057 is a wasteful number, since it uses less digits than its factorization.

139762057 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3767.

The product of its (nonzero) digits is 79380, while the sum is 40.

The square root of 139762057 is about 11822.1003633026. The cubic root of 139762057 is about 518.9550725078.

The spelling of 139762057 in words is "one hundred thirty-nine million, seven hundred sixty-two thousand, fifty-seven".