892137139 has 4 divisors (see below), whose sum is σ = 906762400. Its totient is φ = 877511880.

The previous prime is 892137137. The next prime is 892137173. The reversal of 892137139 is 931731298.

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

It is a cyclic number.

It is not a de Polignac number, because 892137139 - 2¹ = 892137137 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 892137095 and 892137104.

It is not an unprimeable number, because it can be changed into a prime (892137131) 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, 7312539 + ... + 7312660.

It is an arithmetic number, because the mean of its divisors is an integer number (226690600).

Almost surely, 2^892137139 is an apocalyptic number.

892137139 is a deficient number, since it is larger than the sum of its proper divisors (14625261).

892137139 is a wasteful number, since it uses less digits than its factorization.

892137139 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14625260.

The product of its digits is 81648, while the sum is 43.

The square root of 892137139 is about 29868.6648345720. The cubic root of 892137139 is about 962.6694866317.

The spelling of 892137139 in words is "eight hundred ninety-two million, one hundred thirty-seven thousand, one hundred thirty-nine".