92157139 has 4 divisors (see below), whose sum is σ = 92820280. Its totient is φ = 91494000.

The previous prime is 92157137. The next prime is 92157161. The reversal of 92157139 is 93175129.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 93175129 = 1531 ⋅60859.

It is a cyclic number.

It is not a de Polignac number, because 92157139 - 2¹ = 92157137 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 92157098 and 92157107.

It is not an unprimeable number, because it can be changed into a prime (92157137) 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, 331362 + ... + 331639.

It is an arithmetic number, because the mean of its divisors is an integer number (23205070).

Almost surely, 2^92157139 is an apocalyptic number.

92157139 is a deficient number, since it is larger than the sum of its proper divisors (663141).

92157139 is a wasteful number, since it uses less digits than its factorization.

92157139 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 663140.

The product of its digits is 17010, while the sum is 37.

The square root of 92157139 is about 9599.8509884269. The cubic root of 92157139 is about 451.6926196755.

The spelling of 92157139 in words is "ninety-two million, one hundred fifty-seven thousand, one hundred thirty-nine".