135331402 has 16 divisors (see below), whose sum is σ = 213134400. Its totient is φ = 64323072.

The previous prime is 135331387. The next prime is 135331403. The reversal of 135331402 is 204133531.

It is not an unprimeable number, because it can be changed into a prime (135331403) 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, 1527 + ... + 16522.

It is an arithmetic number, because the mean of its divisors is an integer number (13320900).

Almost surely, 2^135331402 is an apocalyptic number.

135331402 is a deficient number, since it is larger than the sum of its proper divisors (77802998).

135331402 is a wasteful number, since it uses less digits than its factorization.

135331402 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18237.

The product of its (nonzero) digits is 1080, while the sum is 22.

The square root of 135331402 is about 11633.2025685105. The cubic root of 135331402 is about 513.4122109448.

Adding to 135331402 its reverse (204133531), we get a palindrome (339464933).

The spelling of 135331402 in words is "one hundred thirty-five million, three hundred thirty-one thousand, four hundred two".