135013381851 has 8 divisors (see below), whose sum is σ = 187844705280. Its totient is φ = 86095489832.

The previous prime is 135013381807. The next prime is 135013381879. The reversal of 135013381851 is 158183310531.

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

It is a cyclic number.

It is not a de Polignac number, because 135013381851 - 2⁶ = 135013381787 is a prime.

It is a super-2 number, since 2×135013381851² (a number of 23 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (135013381801) 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, 978357771 + ... + 978357908.

It is an arithmetic number, because the mean of its divisors is an integer number (23480588160).

Almost surely, 2^135013381851 is an apocalyptic number.

135013381851 is a deficient number, since it is larger than the sum of its proper divisors (52831323429).

135013381851 is a wasteful number, since it uses less digits than its factorization.

135013381851 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1956715705.

The product of its (nonzero) digits is 43200, while the sum is 39.

The spelling of 135013381851 in words is "one hundred thirty-five billion, thirteen million, three hundred eighty-one thousand, eight hundred fifty-one".