1402135042 has 16 divisors (see below), whose sum is σ = 2622174912. Its totient is φ = 546286320.

The previous prime is 1402135037. The next prime is 1402135043. The reversal of 1402135042 is 2405312041.

It is a Harshad number since it is a multiple of its sum of digits (22).

It is not an unprimeable number, because it can be changed into a prime (1402135043) 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, 4552233 + ... + 4552540.

It is an arithmetic number, because the mean of its divisors is an integer number (163885932).

Almost surely, 2^1402135042 is an apocalyptic number.

1402135042 is a deficient number, since it is larger than the sum of its proper divisors (1220039870).

1402135042 is a wasteful number, since it uses less digits than its factorization.

1402135042 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9104793.

The product of its (nonzero) digits is 960, while the sum is 22.

The square root of 1402135042 is about 37445.0936973057. The cubic root of 1402135042 is about 1119.2573313081.

Adding to 1402135042 its reverse (2405312041), we get a palindrome (3807447083).

The spelling of 1402135042 in words is "one billion, four hundred two million, one hundred thirty-five thousand, forty-two".