1402746431 has 8 divisors (see below), whose sum is σ = 1407203424. Its totient is φ = 1398297600.

The previous prime is 1402746427. The next prime is 1402746451. The reversal of 1402746431 is 1346472041.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1402746431 - 2² = 1402746427 is a prime.

It is a super-2 number, since 2×1402746431² = 3935395099366475522, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1402746451) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 548606 + ... + 551156.

It is an arithmetic number, because the mean of its divisors is an integer number (175900428).

Almost surely, 2^1402746431 is an apocalyptic number.

1402746431 is a deficient number, since it is larger than the sum of its proper divisors (4456993).

1402746431 is an equidigital number, since it uses as much as digits as its factorization.

1402746431 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4081.

The product of its (nonzero) digits is 16128, while the sum is 32.

The square root of 1402746431 is about 37453.2566140783. The cubic root of 1402746431 is about 1119.4199885327.

The spelling of 1402746431 in words is "one billion, four hundred two million, seven hundred forty-six thousand, four hundred thirty-one".