136179081465 has 32 divisors (see below), whose sum is σ = 249401776896. Its totient is φ = 62156144640.

The previous prime is 136179081461. The next prime is 136179081497. The reversal of 136179081465 is 564180971631.

It is a happy number.

It is not a de Polignac number, because 136179081465 - 2² = 136179081461 is a prime.

It is a super-2 number, since 2×136179081465² (a number of 23 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (136179081461) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 944352 + ... + 1078961.

It is an arithmetic number, because the mean of its divisors is an integer number (7793805528).

Almost surely, 2^136179081465 is an apocalyptic number.

136179081465 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

136179081465 is a deficient number, since it is larger than the sum of its proper divisors (113222695431).

136179081465 is a wasteful number, since it uses less digits than its factorization.

136179081465 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2023969.

The product of its (nonzero) digits is 1088640, while the sum is 51.

The spelling of 136179081465 in words is "one hundred thirty-six billion, one hundred seventy-nine million, eighty-one thousand, four hundred sixty-five".