1400322132 has 36 divisors (see below), whose sum is σ = 3861495456. Its totient is φ = 424339920.

The previous prime is 1400322127. The next prime is 1400322139. The reversal of 1400322132 is 2312230041.

It is a tau number, because it is divible by the number of its divisors (36).

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1400322139) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1767688 + ... + 1768479.

Almost surely, 2^1400322132 is an apocalyptic number.

1400322132 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1400322132 is an abundant number, since it is smaller than the sum of its proper divisors (2461173324).

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

1400322132 is a wasteful number, since it uses less digits than its factorization.

1400322132 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3536188 (or 3536183 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 18.

The square root of 1400322132 is about 37420.8782900669. The cubic root of 1400322132 is about 1118.7747368125.

Adding to 1400322132 its reverse (2312230041), we get a palindrome (3712552173).

The spelling of 1400322132 in words is "one billion, four hundred million, three hundred twenty-two thousand, one hundred thirty-two".