135591468 has 24 divisors (see below), whose sum is σ = 317238768. Its totient is φ = 45074496.

The previous prime is 135591457. The next prime is 135591479. The reversal of 135591468 is 864195531.

It is an interprime number because it is at equal distance from previous prime (135591457) and next prime (135591479).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10671 + ... + 19622.

It is an arithmetic number, because the mean of its divisors is an integer number (13218282).

Almost surely, 2^135591468 is an apocalyptic number.

It is an amenable number.

135591468 is an abundant number, since it is smaller than the sum of its proper divisors (181647300).

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

135591468 is a wasteful number, since it uses less digits than its factorization.

135591468 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30673 (or 30671 counting only the distinct ones).

The product of its digits is 129600, while the sum is 42.

The square root of 135591468 is about 11644.3749510225. The cubic root of 135591468 is about 513.7408748031.

The spelling of 135591468 in words is "one hundred thirty-five million, five hundred ninety-one thousand, four hundred sixty-eight".