137293280 has 24 divisors (see below), whose sum is σ = 324355752. Its totient is φ = 54917248.

The previous prime is 137293243. The next prime is 137293291. The reversal of 137293280 is 82392731.

137293280 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 137293280.

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, 428882 + ... + 429201.

It is an arithmetic number, because the mean of its divisors is an integer number (13514823).

Almost surely, 2^137293280 is an apocalyptic number.

137293280 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

137293280 is an abundant number, since it is smaller than the sum of its proper divisors (187062472).

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

137293280 is an equidigital number, since it uses as much as digits as its factorization.

137293280 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 858098 (or 858090 counting only the distinct ones).

The product of its (nonzero) digits is 18144, while the sum is 35.

The square root of 137293280 is about 11717.2215136525. The cubic root of 137293280 is about 515.8812698803.

The spelling of 137293280 in words is "one hundred thirty-seven million, two hundred ninety-three thousand, two hundred eighty".