927620139 has 4 divisors (see below), whose sum is σ = 1236826856. Its totient is φ = 618413424.

The previous prime is 927620117. The next prime is 927620149. The reversal of 927620139 is 931026729.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 927620139 - 2⁸ = 927619883 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 927620097 and 927620106.

It is not an unprimeable number, because it can be changed into a prime (927620149) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 154603354 + ... + 154603359.

It is an arithmetic number, because the mean of its divisors is an integer number (309206714).

Almost surely, 2^927620139 is an apocalyptic number.

927620139 is a deficient number, since it is larger than the sum of its proper divisors (309206717).

927620139 is a wasteful number, since it uses less digits than its factorization.

927620139 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 309206716.

The product of its (nonzero) digits is 40824, while the sum is 39.

The square root of 927620139 is about 30456.8570111888. The cubic root of 927620139 is about 975.2666862855.

The spelling of 927620139 in words is "nine hundred twenty-seven million, six hundred twenty thousand, one hundred thirty-nine".