137403072 has 42 divisors (see below), whose sum is σ = 393842748. Its totient is φ = 45800832.

The previous prime is 137403053. The next prime is 137403109. The reversal of 137403072 is 270304731.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 118698 + ... + 119849.

Almost surely, 2^137403072 is an apocalyptic number.

137403072 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

137403072 is an abundant number, since it is smaller than the sum of its proper divisors (256439676).

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

137403072 is a wasteful number, since it uses less digits than its factorization.

137403072 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 238565 (or 238552 counting only the distinct ones).

The product of its (nonzero) digits is 3528, while the sum is 27.

The square root of 137403072 is about 11721.9056471207. The cubic root of 137403072 is about 516.0187481921.

The spelling of 137403072 in words is "one hundred thirty-seven million, four hundred three thousand, seventy-two".