2137930187 has 2 divisors, whose sum is σ = 2137930188. Its totient is φ = 2137930186.

The previous prime is 2137930177. The next prime is 2137930229. The reversal of 2137930187 is 7810397312.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2137930187 - 2⁸ = 2137929931 is a prime.

It is not a weakly prime, because it can be changed into another prime (2137930147) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1068965093 + 1068965094.

It is an arithmetic number, because the mean of its divisors is an integer number (1068965094).

Almost surely, 2^2137930187 is an apocalyptic number.

2137930187 is a deficient number, since it is larger than the sum of its proper divisors (1).

2137930187 is an equidigital number, since it uses as much as digits as its factorization.

2137930187 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 63504, while the sum is 41.

The square root of 2137930187 is about 46237.7571579764. The cubic root of 2137930187 is about 1288.2431439417.

The spelling of 2137930187 in words is "two billion, one hundred thirty-seven million, nine hundred thirty thousand, one hundred eighty-seven".