136873380 has 48 divisors (see below), whose sum is σ = 437996160. Its totient is φ = 31285248.

The previous prime is 136873357. The next prime is 136873393. The reversal of 136873380 is 83378631.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 162525 + ... + 163364.

It is an arithmetic number, because the mean of its divisors is an integer number (9124920).

Almost surely, 2^136873380 is an apocalyptic number.

136873380 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

136873380 is an abundant number, since it is smaller than the sum of its proper divisors (301122780).

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

136873380 is a wasteful number, since it uses less digits than its factorization.

136873380 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 325908 (or 325906 counting only the distinct ones).

The product of its (nonzero) digits is 72576, while the sum is 39.

The square root of 136873380 is about 11699.2897220301. The cubic root of 136873380 is about 515.3548062453.

The spelling of 136873380 in words is "one hundred thirty-six million, eight hundred seventy-three thousand, three hundred eighty".