137317503533 has 4 divisors (see below), whose sum is σ = 156934289760. Its totient is φ = 117700717308.

The previous prime is 137317503509. The next prime is 137317503607. The reversal of 137317503533 is 335305713731.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 137317503533 - 2²² = 137313309229 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (137317503733) 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, 9808393103 + ... + 9808393116.

It is an arithmetic number, because the mean of its divisors is an integer number (39233572440).

Almost surely, 2^137317503533 is an apocalyptic number.

It is an amenable number.

137317503533 is a deficient number, since it is larger than the sum of its proper divisors (19616786227).

137317503533 is an equidigital number, since it uses as much as digits as its factorization.

137317503533 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19616786226.

The product of its (nonzero) digits is 297675, while the sum is 41.

The spelling of 137317503533 in words is "one hundred thirty-seven billion, three hundred seventeen million, five hundred three thousand, five hundred thirty-three".