137896813533 has 4 divisors (see below), whose sum is σ = 183862418048. Its totient is φ = 91931209020.

The previous prime is 137896813501. The next prime is 137896813591. The reversal of 137896813533 is 335318698731.

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 not a de Polignac number, because 137896813533 - 2⁵ = 137896813501 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 (137896113533) 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, 22982802253 + ... + 22982802258.

It is an arithmetic number, because the mean of its divisors is an integer number (45965604512).

Almost surely, 2^137896813533 is an apocalyptic number.

It is an amenable number.

137896813533 is a deficient number, since it is larger than the sum of its proper divisors (45965604515).

137896813533 is an equidigital number, since it uses as much as digits as its factorization.

137896813533 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 45965604514.

The product of its digits is 9797760, while the sum is 57.

The spelling of 137896813533 in words is "one hundred thirty-seven billion, eight hundred ninety-six million, eight hundred thirteen thousand, five hundred thirty-three".