135236714021 has 8 divisors (see below), whose sum is σ = 137154643200. Its totient is φ = 133319151280.

The previous prime is 135236714009. The next prime is 135236714069. The reversal of 135236714021 is 120417632531.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-135236714021 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 (135236714521) 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, 699860 + ... + 871938.

It is an arithmetic number, because the mean of its divisors is an integer number (17144330400).

Almost surely, 2^135236714021 is an apocalyptic number.

It is an amenable number.

135236714021 is a deficient number, since it is larger than the sum of its proper divisors (1917929179).

135236714021 is a wasteful number, since it uses less digits than its factorization.

135236714021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 183219.

The product of its (nonzero) digits is 30240, while the sum is 35.

The spelling of 135236714021 in words is "one hundred thirty-five billion, two hundred thirty-six million, seven hundred fourteen thousand, twenty-one".