136373820 has 48 divisors (see below), whose sum is σ = 416562048. Its totient is φ = 33060160.

The previous prime is 136373803. The next prime is 136373833. The reversal of 136373820 is 28373631.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 102654 + ... + 103973.

It is an arithmetic number, because the mean of its divisors is an integer number (8678376).

Almost surely, 2^136373820 is an apocalyptic number.

136373820 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

136373820 is an abundant number, since it is smaller than the sum of its proper divisors (280188228).

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

136373820 is a wasteful number, since it uses less digits than its factorization.

136373820 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 206650 (or 206648 counting only the distinct ones).

The product of its (nonzero) digits is 18144, while the sum is 33.

The square root of 136373820 is about 11677.9201915410. The cubic root of 136373820 is about 514.7270618345.

The spelling of 136373820 in words is "one hundred thirty-six million, three hundred seventy-three thousand, eight hundred twenty".