137500799 has 4 divisors (see below), whose sum is σ = 140698536. Its totient is φ = 134303064.

The previous prime is 137500787. The next prime is 137500837. The reversal of 137500799 is 997005731.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 997005731 = 11969 ⋅83299.

It is a cyclic number.

It is not a de Polignac number, because 137500799 - 2⁸ = 137500543 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (137500729) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1598804 + ... + 1598889.

It is an arithmetic number, because the mean of its divisors is an integer number (35174634).

Almost surely, 2^137500799 is an apocalyptic number.

137500799 is a deficient number, since it is larger than the sum of its proper divisors (3197737).

137500799 is an equidigital number, since it uses as much as digits as its factorization.

137500799 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3197736.

The product of its (nonzero) digits is 59535, while the sum is 41.

The square root of 137500799 is about 11726.0734689836. The cubic root of 137500799 is about 516.1410574739.

The spelling of 137500799 in words is "one hundred thirty-seven million, five hundred thousand, seven hundred ninety-nine".