137730140 has 24 divisors (see below), whose sum is σ = 290838912. Its totient is φ = 54786240.

The previous prime is 137730133. The next prime is 137730149. The reversal of 137730140 is 41037731.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (137730149) 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, 15404 + ... + 22643.

It is an arithmetic number, because the mean of its divisors is an integer number (12118288).

Almost surely, 2^137730140 is an apocalyptic number.

137730140 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

137730140 is an abundant number, since it is smaller than the sum of its proper divisors (153108772).

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

137730140 is a wasteful number, since it uses less digits than its factorization.

137730140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38237 (or 38235 counting only the distinct ones).

The product of its (nonzero) digits is 1764, while the sum is 26.

The square root of 137730140 is about 11735.8484993630. The cubic root of 137730140 is about 516.4278595774.

Adding to 137730140 its reverse (41037731), we get a palindrome (178767871).

The spelling of 137730140 in words is "one hundred thirty-seven million, seven hundred thirty thousand, one hundred forty".