137249472 has 28 divisors (see below), whose sum is σ = 363139736. Its totient is φ = 45749760.

The previous prime is 137249467. The next prime is 137249473. The reversal of 137249472 is 274942731.

It is a self number, because there is not a number n which added to its sum of digits gives 137249472.

It is not an unprimeable number, because it can be changed into a prime (137249473) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 357229 + ... + 357612.

Almost surely, 2^137249472 is an apocalyptic number.

137249472 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

137249472 is an abundant number, since it is smaller than the sum of its proper divisors (225890264).

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

137249472 is an equidigital number, since it uses as much as digits as its factorization.

137249472 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 714856 (or 714846 counting only the distinct ones).

The product of its digits is 84672, while the sum is 39.

The square root of 137249472 is about 11715.3519793474. The cubic root of 137249472 is about 515.8263943350.

The spelling of 137249472 in words is "one hundred thirty-seven million, two hundred forty-nine thousand, four hundred seventy-two".