135235717477 has 16 divisors (see below), whose sum is σ = 158023014912. Its totient is φ = 113321007360.

The previous prime is 135235717447. The next prime is 135235717489. The reversal of 135235717477 is 774717532531.

It is a cyclic number.

It is not a de Polignac number, because 135235717477 - 2¹¹ = 135235715429 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (135235717447) 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, 56563 + ... + 523135.

It is an arithmetic number, because the mean of its divisors is an integer number (9876438432).

Almost surely, 2^135235717477 is an apocalyptic number.

It is an amenable number.

135235717477 is a deficient number, since it is larger than the sum of its proper divisors (22787297435).

135235717477 is an equidigital number, since it uses as much as digits as its factorization.

135235717477 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 467508.

The product of its digits is 4321800, while the sum is 52.

The spelling of 135235717477 in words is "one hundred thirty-five billion, two hundred thirty-five million, seven hundred seventeen thousand, four hundred seventy-seven".