136939075 has 36 divisors (see below), whose sum is σ = 212746800. Its totient is φ = 86667840.

The previous prime is 136939069. The next prime is 136939081. The reversal of 136939075 is 570939631.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (136939069) and next prime (136939081).

It is a de Polignac number, because none of the positive numbers 2^k-136939075 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 11626 + ... + 20224.

Almost surely, 2^136939075 is an apocalyptic number.

136939075 is a deficient number, since it is larger than the sum of its proper divisors (75807725).

136939075 is a wasteful number, since it uses less digits than its factorization.

136939075 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8636 (or 8624 counting only the distinct ones).

The product of its (nonzero) digits is 153090, while the sum is 43.

The square root of 136939075 is about 11702.0970342926. The cubic root of 136939075 is about 515.4372445270.

The spelling of 136939075 in words is "one hundred thirty-six million, nine hundred thirty-nine thousand, seventy-five".