135077643423 has 6 divisors (see below), whose sum is σ = 195112151624. Its totient is φ = 90051762276.

The previous prime is 135077643361. The next prime is 135077643443. The reversal of 135077643423 is 324346770531.

135077643423 is a `hidden beast` number, since 13 + 507 + 76 + 43 + 4 + 23 = 666.

It is not a de Polignac number, because 135077643423 - 2¹² = 135077639327 is a prime.

It is a super-2 number, since 2×135077643423² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (135077643443) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 7504313515 + ... + 7504313532.

Almost surely, 2^135077643423 is an apocalyptic number.

135077643423 is a deficient number, since it is larger than the sum of its proper divisors (60034508201).

135077643423 is a wasteful number, since it uses less digits than its factorization.

135077643423 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15008627053 (or 15008627050 counting only the distinct ones).

The product of its (nonzero) digits is 1270080, while the sum is 45.

The spelling of 135077643423 in words is "one hundred thirty-five billion, seventy-seven million, six hundred forty-three thousand, four hundred twenty-three".