1040135402 has 16 divisors (see below), whose sum is σ = 1616124960. Its totient is φ = 501474288.

The previous prime is 1040135401. The next prime is 1040135423. The reversal of 1040135402 is 2045310401.

It is not an unprimeable number, because it can be changed into a prime (1040135401) 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, 34253 + ... + 57039.

It is an arithmetic number, because the mean of its divisors is an integer number (101007810).

Almost surely, 2^1040135402 is an apocalyptic number.

1040135402 is a deficient number, since it is larger than the sum of its proper divisors (575989558).

1040135402 is a wasteful number, since it uses less digits than its factorization.

1040135402 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23605.

The product of its (nonzero) digits is 480, while the sum is 20.

The square root of 1040135402 is about 32251.1302437605. The cubic root of 1040135402 is about 1013.2033710819.

Adding to 1040135402 its reverse (2045310401), we get a palindrome (3085445803).

The spelling of 1040135402 in words is "one billion, forty million, one hundred thirty-five thousand, four hundred two".