137735609 has 8 divisors (see below), whose sum is σ = 150653952. Its totient is φ = 124883440.

The previous prime is 137735603. The next prime is 137735641. The reversal of 137735609 is 906537731.

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

It is not a de Polignac number, because 137735609 - 2¹⁶ = 137670073 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (137735603) 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, 12134 + ... + 20559.

It is an arithmetic number, because the mean of its divisors is an integer number (18831744).

Almost surely, 2^137735609 is an apocalyptic number.

It is an amenable number.

137735609 is a deficient number, since it is larger than the sum of its proper divisors (12918343).

137735609 is a wasteful number, since it uses less digits than its factorization.

137735609 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33087.

The product of its (nonzero) digits is 119070, while the sum is 41.

The square root of 137735609 is about 11736.0815010803. The cubic root of 137735609 is about 516.4346949405.

The spelling of 137735609 in words is "one hundred thirty-seven million, seven hundred thirty-five thousand, six hundred nine".