137481280 has 56 divisors (see below), whose sum is σ = 337962240. Its totient is φ = 53214720.

The previous prime is 137481203. The next prime is 137481287. The reversal of 137481280 is 82184731.

It is a happy number.

It is a super-2 number, since 2×137481280² = 37802204700876800, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (137481287) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2991 + ... + 16849.

It is an arithmetic number, because the mean of its divisors is an integer number (6035040).

Almost surely, 2^137481280 is an apocalyptic number.

137481280 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 137481280, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (168981120).

137481280 is an abundant number, since it is smaller than the sum of its proper divisors (200480960).

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

137481280 is a wasteful number, since it uses less digits than its factorization.

137481280 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13907 (or 13897 counting only the distinct ones).

The product of its (nonzero) digits is 10752, while the sum is 34.

The square root of 137481280 is about 11725.2411489061. The cubic root of 137481280 is about 516.1166332909.

The spelling of 137481280 in words is "one hundred thirty-seven million, four hundred eighty-one thousand, two hundred eighty".