136715475 has 24 divisors (see below), whose sum is σ = 243425392. Its totient is φ = 67305600.

The previous prime is 136715471. The next prime is 136715489. The reversal of 136715475 is 574517631.

It is not a de Polignac number, because 136715475 - 2² = 136715471 is a prime.

It is a super-2 number, since 2×136715475² = 37382242208951250, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (136715471) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 69136 + ... + 71085.

Almost surely, 2^136715475 is an apocalyptic number.

136715475 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

136715475 is a deficient number, since it is larger than the sum of its proper divisors (106709917).

136715475 is a wasteful number, since it uses less digits than its factorization.

136715475 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 140247 (or 140242 counting only the distinct ones).

The product of its digits is 88200, while the sum is 39.

The square root of 136715475 is about 11692.5392879391. The cubic root of 136715475 is about 515.1565490080.

The spelling of 136715475 in words is "one hundred thirty-six million, seven hundred fifteen thousand, four hundred seventy-five".