137448320 has 32 divisors (see below), whose sum is σ = 328588920. Its totient is φ = 54979072.

The previous prime is 137448301. The next prime is 137448373. The reversal of 137448320 is 23844731.

It is a tau number, because it is divible by the number of its divisors (32).

It is a Harshad number since it is a multiple of its sum of digits (32).

It is a congruent number.

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, 106742 + ... + 108021.

Almost surely, 2^137448320 is an apocalyptic number.

137448320 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

137448320 is an abundant number, since it is smaller than the sum of its proper divisors (191140600).

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

137448320 is an equidigital number, since it uses as much as digits as its factorization.

137448320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 214782 (or 214770 counting only the distinct ones).

The product of its (nonzero) digits is 16128, while the sum is 32.

The square root of 137448320 is about 11723.8355498531. The cubic root of 137448320 is about 516.0753850961.

It can be divided in two parts, 1374 and 48320, that added together give a palindrome (49694).

The spelling of 137448320 in words is "one hundred thirty-seven million, four hundred forty-eight thousand, three hundred twenty".