137158599873 has 4 divisors (see below), whose sum is σ = 182878133168. Its totient is φ = 91439066580.

The previous prime is 137158599869. The next prime is 137158599881. The reversal of 137158599873 is 378995851731.

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 not a de Polignac number, because 137158599873 - 2² = 137158599869 is a prime.

It is a super-2 number, since 2×137158599873² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (137158599373) 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, 22859766643 + ... + 22859766648.

It is an arithmetic number, because the mean of its divisors is an integer number (45719533292).

Almost surely, 2^137158599873 is an apocalyptic number.

It is an amenable number.

137158599873 is a deficient number, since it is larger than the sum of its proper divisors (45719533295).

137158599873 is an equidigital number, since it uses as much as digits as its factorization.

137158599873 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 45719533294.

The product of its digits is 57153600, while the sum is 66.

The spelling of 137158599873 in words is "one hundred thirty-seven billion, one hundred fifty-eight million, five hundred ninety-nine thousand, eight hundred seventy-three".