137514640 has 20 divisors (see below), whose sum is σ = 319721724. Its totient is φ = 55005824.

The previous prime is 137514613. The next prime is 137514653. The reversal of 137514640 is 46415731.

It can be written as a sum of positive squares in 2 ways, for example, as 34857216 + 102657424 = 5904^2 + 10132^2 .

It is a tau number, because it is divible by the number of its divisors (20).

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 859387 + ... + 859546.

Almost surely, 2^137514640 is an apocalyptic number.

137514640 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

137514640 is an abundant number, since it is smaller than the sum of its proper divisors (182207084).

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

137514640 is a wasteful number, since it uses less digits than its factorization.

137514640 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1718946 (or 1718940 counting only the distinct ones).

The product of its (nonzero) digits is 10080, while the sum is 31.

The square root of 137514640 is about 11726.6636346405. The cubic root of 137514640 is about 516.1583753580.

The spelling of 137514640 in words is "one hundred thirty-seven million, five hundred fourteen thousand, six hundred forty".