1353138635 has 4 divisors (see below), whose sum is σ = 1623766368. Its totient is φ = 1082510904.

The previous prime is 1353138559. The next prime is 1353138641. The reversal of 1353138635 is 5368313531.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 1353138635 - 2⁸ = 1353138379 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 135313859 + ... + 135313868.

It is an arithmetic number, because the mean of its divisors is an integer number (405941592).

Almost surely, 2^1353138635 is an apocalyptic number.

1353138635 is a deficient number, since it is larger than the sum of its proper divisors (270627733).

1353138635 is an equidigital number, since it uses as much as digits as its factorization.

1353138635 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 270627732.

The product of its digits is 97200, while the sum is 38.

The square root of 1353138635 is about 36785.0327579030. The cubic root of 1353138635 is about 1106.0652926213.

The spelling of 1353138635 in words is "one billion, three hundred fifty-three million, one hundred thirty-eight thousand, six hundred thirty-five".