137408930 has 16 divisors (see below), whose sum is σ = 247497984. Its totient is φ = 54927600.

The previous prime is 137408891. The next prime is 137408933. The reversal of 137408930 is 39804731.

137408930 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (137408933) 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, 15989 + ... + 23031.

It is an arithmetic number, because the mean of its divisors is an integer number (15468624).

Almost surely, 2^137408930 is an apocalyptic number.

137408930 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

137408930 is a deficient number, since it is larger than the sum of its proper divisors (110089054).

137408930 is a wasteful number, since it uses less digits than its factorization.

137408930 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9001.

The product of its (nonzero) digits is 18144, while the sum is 35.

The square root of 137408930 is about 11722.1555185043. The cubic root of 137408930 is about 516.0260813490.

The spelling of 137408930 in words is "one hundred thirty-seven million, four hundred eight thousand, nine hundred thirty".