137086720 has 36 divisors (see below), whose sum is σ = 328368600. Its totient is φ = 54834176.

The previous prime is 137086711. The next prime is 137086723. The reversal of 137086720 is 27680731.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (137086723) 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, 52270 + ... + 54829.

It is an arithmetic number, because the mean of its divisors is an integer number (9121350).

Almost surely, 2^137086720 is an apocalyptic number.

137086720 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

137086720 is an abundant number, since it is smaller than the sum of its proper divisors (191281880).

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

137086720 is an equidigital number, since it uses as much as digits as its factorization.

137086720 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 107120 (or 107106 counting only the distinct ones).

The product of its (nonzero) digits is 14112, while the sum is 34.

The square root of 137086720 is about 11708.4038194794. The cubic root of 137086720 is about 515.6224227358.

The spelling of 137086720 in words is "one hundred thirty-seven million, eighty-six thousand, seven hundred twenty".