2137157385 has 64 divisors (see below), whose sum is σ = 3780449280. Its totient is φ = 1022388480.

The previous prime is 2137157377. The next prime is 2137157423. The reversal of 2137157385 is 5837517312.

It is a happy number.

It is not a de Polignac number, because 2137157385 - 2³ = 2137157377 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 6158782 + ... + 6159128.

It is an arithmetic number, because the mean of its divisors is an integer number (59069520).

Almost surely, 2^2137157385 is an apocalyptic number.

It is an amenable number.

2137157385 is a deficient number, since it is larger than the sum of its proper divisors (1643291895).

2137157385 is a wasteful number, since it uses less digits than its factorization.

2137157385 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 758.

The product of its digits is 176400, while the sum is 42.

The square root of 2137157385 is about 46229.3995742969. The cubic root of 2137157385 is about 1288.0879039401.

The spelling of 2137157385 in words is "two billion, one hundred thirty-seven million, one hundred fifty-seven thousand, three hundred eighty-five".