135153861 has 8 divisors (see below), whose sum is σ = 180261120. Its totient is φ = 90074592.

The previous prime is 135153839. The next prime is 135153913. The reversal of 135153861 is 168351531.

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

It is not a de Polignac number, because 135153861 - 2⁵ = 135153829 is a prime.

It is a super-2 number, since 2×135153861² = 36533132286414642, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (135153661) 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, 10585 + ... + 19553.

It is an arithmetic number, because the mean of its divisors is an integer number (22532640).

Almost surely, 2^135153861 is an apocalyptic number.

It is an amenable number.

135153861 is a deficient number, since it is larger than the sum of its proper divisors (45107259).

135153861 is an equidigital number, since it uses as much as digits as its factorization.

135153861 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13995.

The product of its digits is 10800, while the sum is 33.

The square root of 135153861 is about 11625.5692763838. The cubic root of 135153861 is about 513.1875978698.

The spelling of 135153861 in words is "one hundred thirty-five million, one hundred fifty-three thousand, eight hundred sixty-one".