136120601955 has 16 divisors (see below), whose sum is σ = 234546268320. Its totient is φ = 67013219328.

The previous prime is 136120601951. The next prime is 136120601977. The reversal of 136120601955 is 559106021631.

It is a happy number.

It is not a de Polignac number, because 136120601955 - 2² = 136120601951 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is not an unprimeable number, because it can be changed into a prime (136120601951) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 349026990 + ... + 349027379.

It is an arithmetic number, because the mean of its divisors is an integer number (14659141770).

Almost surely, 2^136120601955 is an apocalyptic number.

136120601955 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

136120601955 is a deficient number, since it is larger than the sum of its proper divisors (98425666365).

136120601955 is a wasteful number, since it uses less digits than its factorization.

136120601955 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 698054390.

The product of its (nonzero) digits is 48600, while the sum is 39.

The spelling of 136120601955 in words is "one hundred thirty-six billion, one hundred twenty million, six hundred one thousand, nine hundred fifty-five".