136613751149 has 4 divisors (see below), whose sum is σ = 137096485536. Its totient is φ = 136131016764.

The previous prime is 136613751101. The next prime is 136613751163. The reversal of 136613751149 is 941157316631.

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, and also an emirpimes, since its reverse is a distinct semiprime: 941157316631 = 7 ⋅134451045233.

It is a cyclic number.

It is not a de Polignac number, because 136613751149 - 2⁸ = 136613750893 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (136613750149) 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, 241366769 + ... + 241367334.

It is an arithmetic number, because the mean of its divisors is an integer number (34274121384).

Almost surely, 2^136613751149 is an apocalyptic number.

It is an amenable number.

136613751149 is a deficient number, since it is larger than the sum of its proper divisors (482734387).

136613751149 is an equidigital number, since it uses as much as digits as its factorization.

136613751149 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 482734386.

The product of its digits is 408240, while the sum is 47.

The spelling of 136613751149 in words is "one hundred thirty-six billion, six hundred thirteen million, seven hundred fifty-one thousand, one hundred forty-nine".