136503131850131 has 4 divisors (see below), whose sum is σ = 136541702956200. Its totient is φ = 136464560744064.

The previous prime is 136503131850091. The next prime is 136503131850157. The reversal of 136503131850131 is 131058131305631.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 136503131850131 - 2³⁰ = 136502058108307 is a prime.

It is a super-2 number, since 2×136503131850131² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (136503131850161) 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, 19285547726 + ... + 19285554803.

It is an arithmetic number, because the mean of its divisors is an integer number (34135425739050).

Almost surely, 2^{136503131850131} is an apocalyptic number.

136503131850131 is a deficient number, since it is larger than the sum of its proper divisors (38571106069).

136503131850131 is an equidigital number, since it uses as much as digits as its factorization.

136503131850131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38571106068.

The product of its (nonzero) digits is 97200, while the sum is 41.

The spelling of 136503131850131 in words is "one hundred thirty-six trillion, five hundred three billion, one hundred thirty-one million, eight hundred fifty thousand, one hundred thirty-one".