137080509 has 8 divisors (see below), whose sum is σ = 183731712. Its totient is φ = 90908160.

The previous prime is 137080501. The next prime is 137080513. The reversal of 137080509 is 905080731.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 137080509 - 2³ = 137080501 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 137080509.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (137080501) 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, 119044 + ... + 120189.

It is an arithmetic number, because the mean of its divisors is an integer number (22966464).

Almost surely, 2^137080509 is an apocalyptic number.

It is an amenable number.

137080509 is a deficient number, since it is larger than the sum of its proper divisors (46651203).

137080509 is a wasteful number, since it uses less digits than its factorization.

137080509 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 239427.

The product of its (nonzero) digits is 7560, while the sum is 33.

The square root of 137080509 is about 11708.1385796377. The cubic root of 137080509 is about 515.6146355015.

The spelling of 137080509 in words is "one hundred thirty-seven million, eighty thousand, five hundred nine".