136400746275 has 72 divisors (see below), whose sum is σ = 248663638080. Its totient is φ = 71459781120.

The previous prime is 136400746271. The next prime is 136400746327. The reversal of 136400746275 is 572647004631.

136400746275 is a `hidden beast` number, since 13 + 6 + 4 + 0 + 0 + 7 + 4 + 627 + 5 = 666.

It is not a de Polignac number, because 136400746275 - 2² = 136400746271 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a self number, because there is not a number n which added to its sum of digits gives 136400746275.

It is not an unprimeable number, because it can be changed into a prime (136400746271) by changing a digit.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 3482199 + ... + 3521151.

It is an arithmetic number, because the mean of its divisors is an integer number (3453661640).

Almost surely, 2^136400746275 is an apocalyptic number.

136400746275 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

136400746275 is a deficient number, since it is larger than the sum of its proper divisors (112262891805).

136400746275 is a wasteful number, since it uses less digits than its factorization.

136400746275 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39245 (or 39237 counting only the distinct ones).

The product of its (nonzero) digits is 846720, while the sum is 45.

The spelling of 136400746275 in words is "one hundred thirty-six billion, four hundred million, seven hundred forty-six thousand, two hundred seventy-five".