137147730 has 32 divisors (see below), whose sum is σ = 330873984. Its totient is φ = 36381696.

The previous prime is 137147701. The next prime is 137147749. The reversal of 137147730 is 37741731.

It is a junction number, because it is equal to n+sod(n) for n = 137147691 and 137147700.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6054 + ... + 17633.

It is an arithmetic number, because the mean of its divisors is an integer number (10339812).

Almost surely, 2^137147730 is an apocalyptic number.

137147730 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

137147730 is an abundant number, since it is smaller than the sum of its proper divisors (193726254).

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

137147730 is a wasteful number, since it uses less digits than its factorization.

137147730 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23890.

The product of its (nonzero) digits is 12348, while the sum is 33.

The square root of 137147730 is about 11711.0089232312. The cubic root of 137147730 is about 515.6989034199.

The spelling of 137147730 in words is "one hundred thirty-seven million, one hundred forty-seven thousand, seven hundred thirty".