136999901111101 has 4 divisors (see below), whose sum is σ = 156571315555552. Its totient is φ = 117428486666652.

The previous prime is 136999901111057. The next prime is 136999901111111. The reversal of 136999901111101 is 101111109999631.

It is a happy number.

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 a de Polignac number, because none of the positive numbers 2^k-136999901111101 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (136999901111111) 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, 9785707222215 + ... + 9785707222228.

It is an arithmetic number, because the mean of its divisors is an integer number (39142828888888).

Almost surely, 2^{136999901111101} is an apocalyptic number.

It is an amenable number.

136999901111101 is a deficient number, since it is larger than the sum of its proper divisors (19571414444451).

136999901111101 is an equidigital number, since it uses as much as digits as its factorization.

136999901111101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19571414444450.

The product of its (nonzero) digits is 118098, while the sum is 52.

The spelling of 136999901111101 in words is "one hundred thirty-six trillion, nine hundred ninety-nine billion, nine hundred one million, one hundred eleven thousand, one hundred one".