136387937 has 8 divisors (see below), whose sum is σ = 159188736. Its totient is φ = 114416352.

The previous prime is 136387931. The next prime is 136387963. The reversal of 136387937 is 739783631.

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 136387937 - 2¹⁴ = 136371553 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (47).

It is a junction number, because it is equal to n+sod(n) for n = 136387891 and 136387900.

It is not an unprimeable number, because it can be changed into a prime (136387931) 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, 206948 + ... + 207605.

It is an arithmetic number, because the mean of its divisors is an integer number (19898592).

Almost surely, 2^136387937 is an apocalyptic number.

It is an amenable number.

136387937 is a deficient number, since it is larger than the sum of its proper divisors (22800799).

136387937 is an equidigital number, since it uses as much as digits as its factorization.

136387937 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 414607.

The product of its digits is 571536, while the sum is 47.

The square root of 136387937 is about 11678.5246071582. The cubic root of 136387937 is about 514.7448222111.

The spelling of 136387937 in words is "one hundred thirty-six million, three hundred eighty-seven thousand, nine hundred thirty-seven".