2136957 has 4 divisors (see below), whose sum is σ = 2849280. Its totient is φ = 1424636.

The previous prime is 2136919. The next prime is 2136973. The reversal of 2136957 is 7596312.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 2136957 - 2⁷ = 2136829 is a prime.

It is a D-number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2136977) 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, 356157 + ... + 356162.

It is an arithmetic number, because the mean of its divisors is an integer number (712320).

2^2136957 is an apocalyptic number.

It is an amenable number.

2136957 is a deficient number, since it is larger than the sum of its proper divisors (712323).

2136957 is an equidigital number, since it uses as much as digits as its factorization.

2136957 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 712322.

The product of its digits is 11340, while the sum is 33.

The square root of 2136957 is about 1461.8334378444. The cubic root of 2136957 is about 128.8047644612.

It can be divided in two parts, 213 and 6957, that multiplied together give a palindrome (1481841).

The spelling of 2136957 in words is "two million, one hundred thirty-six thousand, nine hundred fifty-seven".