136474742475 has 36 divisors (see below), whose sum is σ = 249642328416. Its totient is φ = 71237874240.

The previous prime is 136474742471. The next prime is 136474742479. The reversal of 136474742475 is 574247474631.

136474742475 is a `hidden beast` number, since 1 + 3 + 64 + 74 + 7 + 42 + 475 = 666.

It is an interprime number because it is at equal distance from previous prime (136474742471) and next prime (136474742479).

It is not a de Polignac number, because 136474742475 - 2² = 136474742471 is a prime.

It is not an unprimeable number, because it can be changed into a prime (136474742471) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 6442132 + ... + 6463281.

Almost surely, 2^136474742475 is an apocalyptic number.

136474742475 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

136474742475 is a deficient number, since it is larger than the sum of its proper divisors (113167585941).

136474742475 is a wasteful number, since it uses less digits than its factorization.

136474742475 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12905476 (or 12905468 counting only the distinct ones).

The product of its digits is 15805440, while the sum is 54.

The spelling of 136474742475 in words is "one hundred thirty-six billion, four hundred seventy-four million, seven hundred forty-two thousand, four hundred seventy-five".