137699793 has 24 divisors (see below), whose sum is σ = 247980096. Its totient is φ = 71532000.

The previous prime is 137699767. The next prime is 137699819. The reversal of 137699793 is 397996731.

It is an interprime number because it is at equal distance from previous prime (137699767) and next prime (137699819).

It is not a de Polignac number, because 137699793 - 2⁸ = 137699537 is a prime.

It is a super-2 number, since 2×137699793² = 37922465984485698, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (137699713) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 98658 + ... + 100043.

It is an arithmetic number, because the mean of its divisors is an integer number (10332504).

Almost surely, 2^137699793 is an apocalyptic number.

It is an amenable number.

137699793 is a deficient number, since it is larger than the sum of its proper divisors (110280303).

137699793 is a wasteful number, since it uses less digits than its factorization.

137699793 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 198725 (or 198722 counting only the distinct ones).

The product of its digits is 1928934, while the sum is 54.

The square root of 137699793 is about 11734.5555092641. Note that the first 4 decimals coincide. The cubic root of 137699793 is about 516.3899274602.

The spelling of 137699793 in words is "one hundred thirty-seven million, six hundred ninety-nine thousand, seven hundred ninety-three".