135469497 has 8 divisors (see below), whose sum is σ = 181111744. Its totient is φ = 90070128.

The previous prime is 135469489. The next prime is 135469513. The reversal of 135469497 is 794964531.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 135469497 - 2³ = 135469489 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (135469417) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 59413 + ... + 61650.

It is an arithmetic number, because the mean of its divisors is an integer number (22638968).

Almost surely, 2^135469497 is an apocalyptic number.

It is an amenable number.

135469497 is a deficient number, since it is larger than the sum of its proper divisors (45642247).

135469497 is a wasteful number, since it uses less digits than its factorization.

135469497 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 121439.

The product of its digits is 816480, while the sum is 48.

The square root of 135469497 is about 11639.1364370386. The cubic root of 135469497 is about 513.5867837738.

The spelling of 135469497 in words is "one hundred thirty-five million, four hundred sixty-nine thousand, four hundred ninety-seven".