136401813777155 has 32 divisors (see below), whose sum is σ = 170885906229888. Its totient is φ = 104323816396800.

The previous prime is 136401813777149. The next prime is 136401813777211. The reversal of 136401813777155 is 551777318104631.

It is not a de Polignac number, because 136401813777155 - 2⁴ = 136401813777139 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 136401813777094 and 136401813777103.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2290243637 + ... + 2290303193.

It is an arithmetic number, because the mean of its divisors is an integer number (5340184569684).

Almost surely, 2^{136401813777155} is an apocalyptic number.

136401813777155 is a deficient number, since it is larger than the sum of its proper divisors (34484092452733).

136401813777155 is a wasteful number, since it uses less digits than its factorization.

136401813777155 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 69407.

The product of its (nonzero) digits is 14817600, while the sum is 59.

The spelling of 136401813777155 in words is "one hundred thirty-six trillion, four hundred one billion, eight hundred thirteen million, seven hundred seventy-seven thousand, one hundred fifty-five".