135569492 has 24 divisors (see below), whose sum is σ = 255467520. Its totient is φ = 62714240.

The previous prime is 135569453. The next prime is 135569501. The reversal of 135569492 is 294965531.

It is a super-2 number, since 2×135569492² = 36758174322276128, which contains 22 as substring.

It is a congruent number.

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, 12884 + ... + 20907.

It is an arithmetic number, because the mean of its divisors is an integer number (10644480).

Almost surely, 2^135569492 is an apocalyptic number.

It is an amenable number.

135569492 is a deficient number, since it is larger than the sum of its proper divisors (119898028).

135569492 is a wasteful number, since it uses less digits than its factorization.

135569492 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33871 (or 33869 counting only the distinct ones).

The product of its digits is 291600, while the sum is 44.

The square root of 135569492 is about 11643.4312811989. The cubic root of 135569492 is about 513.7131184366.

The spelling of 135569492 in words is "one hundred thirty-five million, five hundred sixty-nine thousand, four hundred ninety-two".