135835723641 has 8 divisors (see below), whose sum is σ = 181116640224. Its totient is φ = 90555978080.

The previous prime is 135835723637. The next prime is 135835723657. The reversal of 135835723641 is 146327538531.

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 135835723641 - 2² = 135835723637 is a prime.

It is not an unprimeable number, because it can be changed into a prime (135835723691) 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, 28165 + ... + 521981.

It is an arithmetic number, because the mean of its divisors is an integer number (22639580028).

Almost surely, 2^135835723641 is an apocalyptic number.

It is an amenable number.

135835723641 is a deficient number, since it is larger than the sum of its proper divisors (45280916583).

135835723641 is an equidigital number, since it uses as much as digits as its factorization.

135835723641 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 585511.

The product of its digits is 1814400, while the sum is 48.

The spelling of 135835723641 in words is "one hundred thirty-five billion, eight hundred thirty-five million, seven hundred twenty-three thousand, six hundred forty-one".