135652431 has 8 divisors (see below), whose sum is σ = 182084400. Its totient is φ = 89827712.

The previous prime is 135652417. The next prime is 135652483. The reversal of 135652431 is 134256531.

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

It is a cyclic number.

It is not a de Polignac number, because 135652431 - 2⁷ = 135652303 is a prime.

It is a super-2 number, since 2×135652431² = 36803164072419522, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (135672431) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 151290 + ... + 152183.

It is an arithmetic number, because the mean of its divisors is an integer number (22760550).

Almost surely, 2^135652431 is an apocalyptic number.

135652431 is a deficient number, since it is larger than the sum of its proper divisors (46431969).

135652431 is a wasteful number, since it uses less digits than its factorization.

135652431 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 303625.

The product of its digits is 10800, while the sum is 30.

The square root of 135652431 is about 11646.9923585448. The cubic root of 135652431 is about 513.8178572584.

The spelling of 135652431 in words is "one hundred thirty-five million, six hundred fifty-two thousand, four hundred thirty-one".