136767404772 has 48 divisors (see below), whose sum is σ = 355125348480. Its totient is φ = 45519296544.

The previous prime is 136767404771. The next prime is 136767404827. The reversal of 136767404772 is 277404767631.

136767404772 is a `hidden beast` number, since 1 + 36 + 76 + 74 + 0 + 477 + 2 = 666.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is not an unprimeable number, because it can be changed into a prime (136767404771) 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, 899128 + ... + 1040175.

It is an arithmetic number, because the mean of its divisors is an integer number (7398444760).

Almost surely, 2^136767404772 is an apocalyptic number.

136767404772 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

136767404772 is an abundant number, since it is smaller than the sum of its proper divisors (218357943708).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

136767404772 is a wasteful number, since it uses less digits than its factorization.

136767404772 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1939969 (or 1939961 counting only the distinct ones).

The product of its (nonzero) digits is 8297856, while the sum is 54.

The spelling of 136767404772 in words is "one hundred thirty-six billion, seven hundred sixty-seven million, four hundred four thousand, seven hundred seventy-two".