135431002 has 24 divisors (see below), whose sum is σ = 243941760. Its totient is φ = 56168280.

The previous prime is 135430991. The next prime is 135431003. The reversal of 135431002 is 200134531.

It is not an unprimeable number, because it can be changed into a prime (135431003) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 19252 + ... + 25327.

It is an arithmetic number, because the mean of its divisors is an integer number (10164240).

Almost surely, 2^135431002 is an apocalyptic number.

135431002 is a deficient number, since it is larger than the sum of its proper divisors (108510758).

135431002 is a wasteful number, since it uses less digits than its factorization.

135431002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 44626 (or 44619 counting only the distinct ones).

The product of its (nonzero) digits is 360, while the sum is 19.

The square root of 135431002 is about 11637.4826315660. The cubic root of 135431002 is about 513.5381322405.

Adding to 135431002 its reverse (200134531), we get a palindrome (335565533).

The spelling of 135431002 in words is "one hundred thirty-five million, four hundred thirty-one thousand, two".