135689023458 has 48 divisors (see below), whose sum is σ = 298138853376. Its totient is φ = 44592327360.

The previous prime is 135689023399. The next prime is 135689023487. The reversal of 135689023458 is 854320986531.

135689023458 is a `hidden beast` number, since 1 + 3 + 568 + 9 + 0 + 23 + 4 + 58 = 666.

It is a super-2 number, since 2×135689023458² (a number of 23 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 3511503 + ... + 3549933.

It is an arithmetic number, because the mean of its divisors is an integer number (6211226112).

Almost surely, 2^135689023458 is an apocalyptic number.

135689023458 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

135689023458 is an abundant number, since it is smaller than the sum of its proper divisors (162449829918).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

135689023458 is a wasteful number, since it uses less digits than its factorization.

135689023458 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41199 (or 41196 counting only the distinct ones).

The product of its (nonzero) digits is 6220800, while the sum is 54.

The spelling of 135689023458 in words is "one hundred thirty-five billion, six hundred eighty-nine million, twenty-three thousand, four hundred fifty-eight".