136312620 has 24 divisors (see below), whose sum is σ = 381675504. Its totient is φ = 36350016.

The previous prime is 136312609. The next prime is 136312621. The reversal of 136312620 is 26213631.

It is a happy number.

It is a super-2 number, since 2×136312620² = 37162260742528800, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (136312621) 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, 1135879 + ... + 1135998.

It is an arithmetic number, because the mean of its divisors is an integer number (15903146).

Almost surely, 2^136312620 is an apocalyptic number.

136312620 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

136312620 is an abundant number, since it is smaller than the sum of its proper divisors (245362884).

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

136312620 is a wasteful number, since it uses less digits than its factorization.

136312620 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2271889 (or 2271887 counting only the distinct ones).

The product of its (nonzero) digits is 1296, while the sum is 24.

The square root of 136312620 is about 11675.2995678912. The cubic root of 136312620 is about 514.6500528954.

The spelling of 136312620 in words is "one hundred thirty-six million, three hundred twelve thousand, six hundred twenty".