137659393 has 8 divisors (see below), whose sum is σ = 145127808. Its totient is φ = 130314624.

The previous prime is 137659367. The next prime is 137659399. The reversal of 137659393 is 393956731.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-137659393 is a prime.

It is a super-2 number, since 2×137659393² = 37900216962256898, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (137659399) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 28621 + ... + 33082.

It is an arithmetic number, because the mean of its divisors is an integer number (18140976).

Almost surely, 2^137659393 is an apocalyptic number.

It is an amenable number.

137659393 is a deficient number, since it is larger than the sum of its proper divisors (7468415).

137659393 is an equidigital number, since it uses as much as digits as its factorization.

137659393 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 61823.

The product of its digits is 459270, while the sum is 46.

The square root of 137659393 is about 11732.8339713813. The cubic root of 137659393 is about 516.3394209847.

The spelling of 137659393 in words is "one hundred thirty-seven million, six hundred fifty-nine thousand, three hundred ninety-three".