137749900 has 18 divisors (see below), whose sum is σ = 298917500. Its totient is φ = 55099920.

The previous prime is 137749889. The next prime is 137749907. The reversal of 137749900 is 9947731.

It is not an unprimeable number, because it can be changed into a prime (137749907) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 688650 + ... + 688849.

Almost surely, 2^137749900 is an apocalyptic number.

137749900 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

137749900 is an abundant number, since it is smaller than the sum of its proper divisors (161167600).

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

137749900 is a wasteful number, since it uses less digits than its factorization.

137749900 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1377513 (or 1377506 counting only the distinct ones).

The product of its (nonzero) digits is 47628, while the sum is 40.

The square root of 137749900 is about 11736.6903341615. The cubic root of 137749900 is about 516.4525555191.

The spelling of 137749900 in words is "one hundred thirty-seven million, seven hundred forty-nine thousand, nine hundred".