1440002132 has 12 divisors (see below), whose sum is σ = 2527025760. Its totient is φ = 717994776.

The previous prime is 1440002129. The next prime is 1440002159. The reversal of 1440002132 is 2312000441.

It is a super-2 number, since 2×1440002132² = 4147212280329090848, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 1440002132.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 499958 + ... + 502829.

It is an arithmetic number, because the mean of its divisors is an integer number (210585480).

Almost surely, 2^1440002132 is an apocalyptic number.

It is an amenable number.

1440002132 is a deficient number, since it is larger than the sum of its proper divisors (1087023628).

1440002132 is a wasteful number, since it uses less digits than its factorization.

1440002132 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1003150 (or 1003148 counting only the distinct ones).

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

The square root of 1440002132 is about 37947.3600135767. The cubic root of 1440002132 is about 1129.2437919594.

Adding to 1440002132 its reverse (2312000441), we get a palindrome (3752002573).

The spelling of 1440002132 in words is "one billion, four hundred forty million, two thousand, one hundred thirty-two".