136357930 has 8 divisors (see below), whose sum is σ = 245444292. Its totient is φ = 54543168.

The previous prime is 136357919. The next prime is 136357939. The reversal of 136357930 is 39753631.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 131859289 + 4498641 = 11483^2 + 2121^2 .

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

It is a self number, because there is not a number n which added to its sum of digits gives 136357930.

It is not an unprimeable number, because it can be changed into a prime (136357939) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6817887 + ... + 6817906.

Almost surely, 2^136357930 is an apocalyptic number.

136357930 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

136357930 is a deficient number, since it is larger than the sum of its proper divisors (109086362).

136357930 is a wasteful number, since it uses less digits than its factorization.

136357930 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13635800.

The product of its (nonzero) digits is 51030, while the sum is 37.

The square root of 136357930 is about 11677.2398279730. The cubic root of 136357930 is about 514.7070694081.

The spelling of 136357930 in words is "one hundred thirty-six million, three hundred fifty-seven thousand, nine hundred thirty".