1402140032 has 32 divisors (see below), whose sum is σ = 2828704800. Its totient is φ = 692190720.

The previous prime is 1402139993. The next prime is 1402140037. The reversal of 1402140032 is 2300412041.

It is a tau number, because it is divible by the number of its divisors (32).

It is a super-2 number, since 2×1402140032² = 3931993338673922048, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1402140037) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 59219 + ... + 79442.

It is an arithmetic number, because the mean of its divisors is an integer number (88397025).

Almost surely, 2^1402140032 is an apocalyptic number.

It is an amenable number.

1402140032 is an abundant number, since it is smaller than the sum of its proper divisors (1426564768).

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

1402140032 is an equidigital number, since it uses as much as digits as its factorization.

1402140032 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 138754 (or 138742 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 17.

The square root of 1402140032 is about 37445.1603281385. The cubic root of 1402140032 is about 1119.2586590660.

Adding to 1402140032 its reverse (2300412041), we get a palindrome (3702552073).

The spelling of 1402140032 in words is "one billion, four hundred two million, one hundred forty thousand, thirty-two".