135313685673 has 8 divisors (see below), whose sum is σ = 191031085728. Its totient is φ = 84902704704.

The previous prime is 135313685671. The next prime is 135313685681. The reversal of 135313685673 is 376586313531.

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

It is not a de Polignac number, because 135313685673 - 2¹ = 135313685671 is a prime.

It is a super-2 number, since 2×135313685673² (a number of 23 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (51), and also a Moran number because the ratio is a prime number: 2653209523 = 135313685673 / (1 + 3 + 5 + 3 + 1 + 3 + 6 + 8 + 5 + 6 + 7 + 3).

It is not an unprimeable number, because it can be changed into a prime (135313685671) 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, 1326604711 + ... + 1326604812.

It is an arithmetic number, because the mean of its divisors is an integer number (23878885716).

Almost surely, 2^135313685673 is an apocalyptic number.

It is an amenable number.

135313685673 is a deficient number, since it is larger than the sum of its proper divisors (55717400055).

135313685673 is a wasteful number, since it uses less digits than its factorization.

135313685673 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2653209543.

The product of its digits is 4082400, while the sum is 51.

The spelling of 135313685673 in words is "one hundred thirty-five billion, three hundred thirteen million, six hundred eighty-five thousand, six hundred seventy-three".