1402752144 has 40 divisors (see below), whose sum is σ = 3836941920. Its totient is φ = 440078848.

The previous prime is 1402752137. The next prime is 1402752151. The reversal of 1402752144 is 4412572041.

It is an interprime number because it is at equal distance from previous prime (1402752137) and next prime (1402752151).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 858714 + ... + 860345.

It is an arithmetic number, because the mean of its divisors is an integer number (95923548).

Almost surely, 2^1402752144 is an apocalyptic number.

It is an amenable number.

1402752144 is an abundant number, since it is smaller than the sum of its proper divisors (2434189776).

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

1402752144 is a wasteful number, since it uses less digits than its factorization.

1402752144 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1719087 (or 1719081 counting only the distinct ones).

The product of its (nonzero) digits is 8960, while the sum is 30.

The square root of 1402752144 is about 37453.3328824018. The cubic root of 1402752144 is about 1119.4215082272.

The spelling of 1402752144 in words is "one billion, four hundred two million, seven hundred fifty-two thousand, one hundred forty-four".