137353820 has 24 divisors (see below), whose sum is σ = 288708000. Its totient is φ = 54891072.

The previous prime is 137353771. The next prime is 137353847. The reversal of 137353820 is 28353731.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 25526 + ... + 30434.

It is an arithmetic number, because the mean of its divisors is an integer number (12029500).

Almost surely, 2^137353820 is an apocalyptic number.

137353820 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

137353820 is an abundant number, since it is smaller than the sum of its proper divisors (151354180).

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

137353820 is a wasteful number, since it uses less digits than its factorization.

137353820 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6317 (or 6315 counting only the distinct ones).

The product of its (nonzero) digits is 15120, while the sum is 32.

The square root of 137353820 is about 11719.8046058797. The cubic root of 137353820 is about 515.9570853479.

The spelling of 137353820 in words is "one hundred thirty-seven million, three hundred fifty-three thousand, eight hundred twenty".