137843930 has 16 divisors (see below), whose sum is σ = 283564800. Its totient is φ = 47260752.

The previous prime is 137843911. The next prime is 137843933. The reversal of 137843930 is 39348731.

137843930 is digitally balanced in base 2 and base 3, because in such bases it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (137843933) 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, 984530 + ... + 984669.

It is an arithmetic number, because the mean of its divisors is an integer number (17722800).

Almost surely, 2^137843930 is an apocalyptic number.

137843930 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

137843930 is an abundant number, since it is smaller than the sum of its proper divisors (145720870).

137843930 is a wasteful number, since it uses less digits than its factorization.

137843930 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1969213.

The product of its (nonzero) digits is 54432, while the sum is 38.

The square root of 137843930 is about 11740.6954649203. The cubic root of 137843930 is about 516.5700413594.

The spelling of 137843930 in words is "one hundred thirty-seven million, eight hundred forty-three thousand, nine hundred thirty".