13533753157 has 4 divisors (see below), whose sum is σ = 13657916140. Its totient is φ = 13409590176.

The previous prime is 13533753139. The next prime is 13533753169. The reversal of 13533753157 is 75135733531.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 4966584676 + 8567168481 = 70474^2 + 92559^2 .

It is a cyclic number.

It is not a de Polignac number, because 13533753157 - 2³¹ = 11386269509 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 (13533756157) 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, 62081328 + ... + 62081545.

It is an arithmetic number, because the mean of its divisors is an integer number (3414479035).

Almost surely, 2^13533753157 is an apocalyptic number.

It is an amenable number.

13533753157 is a deficient number, since it is larger than the sum of its proper divisors (124162983).

13533753157 is a wasteful number, since it uses less digits than its factorization.

13533753157 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 124162982.

The product of its digits is 496125, while the sum is 43.

The spelling of 13533753157 in words is "thirteen billion, five hundred thirty-three million, seven hundred fifty-three thousand, one hundred fifty-seven".