137099620 has 24 divisors (see below), whose sum is σ = 329039424. Its totient is φ = 47005536.

The previous prime is 137099603. The next prime is 137099653. The reversal of 137099620 is 26990731.

137099620 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 137099620.

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, 489502 + ... + 489781.

It is an arithmetic number, because the mean of its divisors is an integer number (13709976).

Almost surely, 2^137099620 is an apocalyptic number.

137099620 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

137099620 is an abundant number, since it is smaller than the sum of its proper divisors (191939804).

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

137099620 is a wasteful number, since it uses less digits than its factorization.

137099620 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 979299 (or 979297 counting only the distinct ones).

The product of its (nonzero) digits is 20412, while the sum is 37.

The square root of 137099620 is about 11708.9546928836. The cubic root of 137099620 is about 515.6385957603.

The spelling of 137099620 in words is "one hundred thirty-seven million, ninety-nine thousand, six hundred twenty".