1402255140 has 96 divisors (see below), whose sum is σ = 4612761216. Its totient is φ = 313789440.

The previous prime is 1402255139. The next prime is 1402255159. The reversal of 1402255140 is 415522041.

It is a self number, because there is not a number n which added to its sum of digits gives 1402255140.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 73137 + ... + 90296.

It is an arithmetic number, because the mean of its divisors is an integer number (48049596).

Almost surely, 2^1402255140 is an apocalyptic number.

1402255140 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1402255140 is an abundant number, since it is smaller than the sum of its proper divisors (3210506076).

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

1402255140 is a wasteful number, since it uses less digits than its factorization.

1402255140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 163469 (or 163467 counting only the distinct ones).

The product of its (nonzero) digits is 1600, while the sum is 24.

The square root of 1402255140 is about 37446.6973176541. The cubic root of 1402255140 is about 1119.2892865586.

Adding to 1402255140 its reverse (415522041), we get a palindrome (1817777181).

The spelling of 1402255140 in words is "one billion, four hundred two million, two hundred fifty-five thousand, one hundred forty".