135657322850854 has 32 divisors (see below), whose sum is σ = 232600708002816. Its totient is φ = 58127529484800.

The previous prime is 135657322850783. The next prime is 135657322850857. The reversal of 135657322850854 is 458058223756531.

It is a happy number.

It is a Smith number, since the sum of its digits (64) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (135657322850857) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1798964019 + ... + 1799039425.

It is an arithmetic number, because the mean of its divisors is an integer number (7268772125088).

Almost surely, 2^{135657322850854} is an apocalyptic number.

135657322850854 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

135657322850854 is a deficient number, since it is larger than the sum of its proper divisors (96943385151962).

135657322850854 is a wasteful number, since it uses less digits than its factorization.

135657322850854 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 98740.

The product of its (nonzero) digits is 241920000, while the sum is 64.

The spelling of 135657322850854 in words is "one hundred thirty-five trillion, six hundred fifty-seven billion, three hundred twenty-two million, eight hundred fifty thousand, eight hundred fifty-four".