135576969 has 8 divisors (see below), whose sum is σ = 197202912. Its totient is φ = 82167840.

The previous prime is 135576967. The next prime is 135576971. The reversal of 135576969 is 969675531.

It is an interprime number because it is at equal distance from previous prime (135576967) and next prime (135576971).

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

It is not a de Polignac number, because 135576969 - 2¹ = 135576967 is a prime.

It is a super-2 number, since 2×135576969² = 36762229046453922, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (135576967) 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, 2054164 + ... + 2054229.

It is an arithmetic number, because the mean of its divisors is an integer number (24650364).

Almost surely, 2^135576969 is an apocalyptic number.

It is an amenable number.

135576969 is a deficient number, since it is larger than the sum of its proper divisors (61625943).

135576969 is a wasteful number, since it uses less digits than its factorization.

135576969 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4108407.

The product of its digits is 1530900, while the sum is 51.

The square root of 135576969 is about 11643.7523590980. The cubic root of 135576969 is about 513.7225624551.

The spelling of 135576969 in words is "one hundred thirty-five million, five hundred seventy-six thousand, nine hundred sixty-nine".