137340909 has 48 divisors (see below), whose sum is σ = 218350080. Its totient is φ = 82844160.

The previous prime is 137340901. The next prime is 137340941. The reversal of 137340909 is 909043731.

It is not a de Polignac number, because 137340909 - 2³ = 137340901 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (137340901) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 510427 + ... + 510695.

It is an arithmetic number, because the mean of its divisors is an integer number (4548960).

Almost surely, 2^137340909 is an apocalyptic number.

It is an amenable number.

137340909 is a deficient number, since it is larger than the sum of its proper divisors (81009171).

137340909 is a wasteful number, since it uses less digits than its factorization.

137340909 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 410 (or 407 counting only the distinct ones).

The product of its (nonzero) digits is 20412, while the sum is 36.

The square root of 137340909 is about 11719.2537731717. The cubic root of 137340909 is about 515.9409185104.

The spelling of 137340909 in words is "one hundred thirty-seven million, three hundred forty thousand, nine hundred nine".