2137533187 has 2 divisors, whose sum is σ = 2137533188. Its totient is φ = 2137533186.

The previous prime is 2137533161. The next prime is 2137533347. The reversal of 2137533187 is 7813357312.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2137533187 is a prime.

It is not a weakly prime, because it can be changed into another prime (2137533107) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1068766593 + 1068766594.

It is an arithmetic number, because the mean of its divisors is an integer number (1068766594).

Almost surely, 2^2137533187 is an apocalyptic number.

2137533187 is a deficient number, since it is larger than the sum of its proper divisors (1).

2137533187 is an equidigital number, since it uses as much as digits as its factorization.

2137533187 is an evil number, because the sum of its binary digits is even.

The product of its digits is 105840, while the sum is 40.

The square root of 2137533187 is about 46233.4639303611. The cubic root of 2137533187 is about 1288.1633994937.

The spelling of 2137533187 in words is "two billion, one hundred thirty-seven million, five hundred thirty-three thousand, one hundred eighty-seven".