135653403 has 8 divisors (see below), whose sum is σ = 182662416. Its totient is φ = 89540000.

The previous prime is 135653339. The next prime is 135653411. The reversal of 135653403 is 304356531.

It is a happy number.

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 135653403 - 2⁶ = 135653339 is a prime.

It is not an unprimeable number, because it can be changed into a prime (135653603) 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, 223548 + ... + 224153.

It is an arithmetic number, because the mean of its divisors is an integer number (22832802).

Almost surely, 2^135653403 is an apocalyptic number.

135653403 is a deficient number, since it is larger than the sum of its proper divisors (47009013).

135653403 is a wasteful number, since it uses less digits than its factorization.

135653403 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 447805.

The product of its (nonzero) digits is 16200, while the sum is 30.

The square root of 135653403 is about 11647.0340859809. The cubic root of 135653403 is about 513.8190844873.

The spelling of 135653403 in words is "one hundred thirty-five million, six hundred fifty-three thousand, four hundred three".