1402231899 has 4 divisors (see below), whose sum is σ = 1869642536. Its totient is φ = 934821264.

The previous prime is 1402231879. The next prime is 1402231913. The reversal of 1402231899 is 9981322041.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 1402231899 - 2⁷ = 1402231771 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1402231829) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 233705314 + ... + 233705319.

It is an arithmetic number, because the mean of its divisors is an integer number (467410634).

Almost surely, 2^1402231899 is an apocalyptic number.

1402231899 is a deficient number, since it is larger than the sum of its proper divisors (467410637).

1402231899 is an equidigital number, since it uses as much as digits as its factorization.

1402231899 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 467410636.

The product of its (nonzero) digits is 31104, while the sum is 39.

The square root of 1402231899 is about 37446.3869952763. The cubic root of 1402231899 is about 1119.2831028180.

The spelling of 1402231899 in words is "one billion, four hundred two million, two hundred thirty-one thousand, eight hundred ninety-nine".