137747320 has 16 divisors (see below), whose sum is σ = 309931560. Its totient is φ = 55098912.

The previous prime is 137747317. The next prime is 137747327. The reversal of 137747320 is 23747731.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (137747327) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1721802 + ... + 1721881.

Almost surely, 2^137747320 is an apocalyptic number.

137747320 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

137747320 is an abundant number, since it is smaller than the sum of its proper divisors (172184240).

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

137747320 is a wasteful number, since it uses less digits than its factorization.

137747320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3443694 (or 3443690 counting only the distinct ones).

The product of its (nonzero) digits is 24696, while the sum is 34.

The square root of 137747320 is about 11736.5804219117. The cubic root of 137747320 is about 516.4493311830.

The spelling of 137747320 in words is "one hundred thirty-seven million, seven hundred forty-seven thousand, three hundred twenty".