1402155132 has 48 divisors (see below), whose sum is σ = 3743104512. Its totient is φ = 400184640.

The previous prime is 1402155127. The next prime is 1402155193. The reversal of 1402155132 is 2315512041.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 74082 + ... + 91062.

It is an arithmetic number, because the mean of its divisors is an integer number (77981344).

Almost surely, 2^1402155132 is an apocalyptic number.

1402155132 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1402155132 is an abundant number, since it is smaller than the sum of its proper divisors (2340949380).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1402155132 is a wasteful number, since it uses less digits than its factorization.

1402155132 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17978 (or 17976 counting only the distinct ones).

The product of its (nonzero) digits is 1200, while the sum is 24.

The square root of 1402155132 is about 37445.3619557883. The cubic root of 1402155132 is about 1119.2626769113.

Adding to 1402155132 its reverse (2315512041), we get a palindrome (3717667173).

The spelling of 1402155132 in words is "one billion, four hundred two million, one hundred fifty-five thousand, one hundred thirty-two".