137988452 has 24 divisors (see below), whose sum is σ = 282710400. Its totient is φ = 57695040.

The previous prime is 137988451. The next prime is 137988463. The reversal of 137988452 is 254889731.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 137988397 and 137988406.

It is not an unprimeable number, because it can be changed into a prime (137988451) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 58952 + ... + 61247.

It is an arithmetic number, because the mean of its divisors is an integer number (11779600).

Almost surely, 2^137988452 is an apocalyptic number.

It is an amenable number.

137988452 is an abundant number, since it is smaller than the sum of its proper divisors (144721948).

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

137988452 is a wasteful number, since it uses less digits than its factorization.

137988452 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 120251 (or 120249 counting only the distinct ones).

The product of its digits is 483840, while the sum is 47.

The square root of 137988452 is about 11746.8485986668. The cubic root of 137988452 is about 516.7505103382.

The spelling of 137988452 in words is "one hundred thirty-seven million, nine hundred eighty-eight thousand, four hundred fifty-two".