136387075 has 12 divisors (see below), whose sum is σ = 184494888. Its totient is φ = 99190400.

The previous prime is 136387057. The next prime is 136387093. The reversal of 136387075 is 570783631.

It is an interprime number because it is at equal distance from previous prime (136387057) and next prime (136387093).

It is a de Polignac number, because none of the positive numbers 2^k-136387075 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 247702 + ... + 248251.

It is an arithmetic number, because the mean of its divisors is an integer number (15374574).

Almost surely, 2^136387075 is an apocalyptic number.

136387075 is a deficient number, since it is larger than the sum of its proper divisors (48107813).

136387075 is a wasteful number, since it uses less digits than its factorization.

136387075 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 495974 (or 495969 counting only the distinct ones).

The product of its (nonzero) digits is 105840, while the sum is 40.

The square root of 136387075 is about 11678.4877017532. The cubic root of 136387075 is about 514.7437377776.

The spelling of 136387075 in words is "one hundred thirty-six million, three hundred eighty-seven thousand, seventy-five".