136968975 has 180 divisors, whose sum is σ = 307311928. Its totient is φ = 59875200.

The previous prime is 136968919. The next prime is 136968977. The reversal of 136968975 is 579869631.

It is not a de Polignac number, because 136968975 - 2¹¹ = 136966927 is a prime.

It is a super-2 number, since 2×136968975² = 37521000225101250, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (136968977) by changing a digit.

It is a polite number, since it can be written in 179 ways as a sum of consecutive naturals, for example, 3185304 + ... + 3185346.

Almost surely, 2^136968975 is an apocalyptic number.

136968975 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

136968975 is an abundant number, since it is smaller than the sum of its proper divisors (170342953).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

136968975 is a wasteful number, since it uses less digits than its factorization.

136968975 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 100 (or 75 counting only the distinct ones).

The product of its digits is 2449440, while the sum is 54.

The square root of 136968975 is about 11703.3745133615. The cubic root of 136968975 is about 515.4747562259.

The spelling of 136968975 in words is "one hundred thirty-six million, nine hundred sixty-eight thousand, nine hundred seventy-five".