1402512434 has 4 divisors (see below), whose sum is σ = 2103768654. Its totient is φ = 701256216.

The previous prime is 1402512421. The next prime is 1402512457. The reversal of 1402512434 is 4342152041.

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

It can be written as a sum of positive squares in only one way, i.e., 986148409 + 416364025 = 31403^2 + 20405^2 .

It is a super-2 number, since 2×1402512434² = 3934082255049208712, which contains 22 as substring.

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 as a sum of consecutive naturals, namely, 350628107 + ... + 350628110.

Almost surely, 2^1402512434 is an apocalyptic number.

1402512434 is a deficient number, since it is larger than the sum of its proper divisors (701256220).

1402512434 is an equidigital number, since it uses as much as digits as its factorization.

1402512434 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 701256219.

The product of its (nonzero) digits is 3840, while the sum is 26.

The square root of 1402512434 is about 37450.1326299387. The cubic root of 1402512434 is about 1119.3577402937.

Adding to 1402512434 its reverse (4342152041), we get a palindrome (5744664475).

The spelling of 1402512434 in words is "one billion, four hundred two million, five hundred twelve thousand, four hundred thirty-four".