136367605537 has 8 divisors (see below), whose sum is σ = 138610150952. Its totient is φ = 134125286400.

The previous prime is 136367605531. The next prime is 136367605541. The reversal of 136367605537 is 735506763631.

It can be written as a sum of positive squares in 4 ways, for example, as 16427292561 + 119940312976 = 128169^2 + 346324^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 136367605537 - 2²⁷ = 136233387809 is a prime.

It is a super-2 number, since 2×136367605537² (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 (136367605531) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1513987 + ... + 1601527.

It is an arithmetic number, because the mean of its divisors is an integer number (17326268869).

Almost surely, 2^136367605537 is an apocalyptic number.

It is an amenable number.

136367605537 is a deficient number, since it is larger than the sum of its proper divisors (2242545415).

136367605537 is an equidigital number, since it uses as much as digits as its factorization.

136367605537 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 113139.

The product of its (nonzero) digits is 7144200, while the sum is 52.

The spelling of 136367605537 in words is "one hundred thirty-six billion, three hundred sixty-seven million, six hundred five thousand, five hundred thirty-seven".