1402259999 has 6 divisors (see below), whose sum is σ = 1631200464. Its totient is φ = 1201937100.

The previous prime is 1402259953. The next prime is 1402260001. The reversal of 1402259999 is 9999522041.

It is not a de Polignac number, because 1402259999 - 2¹² = 1402255903 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1402259099) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 14308727 + ... + 14308824.

It is an arithmetic number, because the mean of its divisors is an integer number (271866744).

Almost surely, 2^1402259999 is an apocalyptic number.

1402259999 is a deficient number, since it is larger than the sum of its proper divisors (228940465).

1402259999 is an equidigital number, since it uses as much as digits as its factorization.

1402259999 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28617565 (or 28617558 counting only the distinct ones).

The product of its (nonzero) digits is 524880, while the sum is 50.

The square root of 1402259999 is about 37446.7621964837. The cubic root of 1402259999 is about 1119.2905793857.

The spelling of 1402259999 in words is "one billion, four hundred two million, two hundred fifty-nine thousand, nine hundred ninety-nine".