136788937 has 8 divisors (see below), whose sum is σ = 137988032. Its totient is φ = 135594000.

The previous prime is 136788931. The next prime is 136788959. The reversal of 136788937 is 739887631.

It is a happy number.

136788937 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 136788937 - 2²⁷ = 2571209 is a prime.

It is a super-2 number, since 2×136788937² = 37422426571179938, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (136788931) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 121903 + ... + 123019.

It is an arithmetic number, because the mean of its divisors is an integer number (17248504).

Almost surely, 2^136788937 is an apocalyptic number.

It is an amenable number.

136788937 is a deficient number, since it is larger than the sum of its proper divisors (1199095).

136788937 is a wasteful number, since it uses less digits than its factorization.

With its predecessor (136788936) it forms an eRAP, since the sums of their prime factors are consecutive (2078 and 2079).

136788937 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2079.

The product of its digits is 1524096, while the sum is 52.

The square root of 136788937 is about 11695.6802709376. The cubic root of 136788937 is about 515.2488030220.

The spelling of 136788937 in words is "one hundred thirty-six million, seven hundred eighty-eight thousand, nine hundred thirty-seven".