1402740863 has 4 divisors (see below), whose sum is σ = 1410085248. Its totient is φ = 1395396480.

The previous prime is 1402740847. The next prime is 1402740893. The reversal of 1402740863 is 3680472041.

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

It is a cyclic number.

It is not a de Polignac number, because 1402740863 - 2⁴ = 1402740847 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 (1402740893) 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, 3671906 + ... + 3672287.

It is an arithmetic number, because the mean of its divisors is an integer number (352521312).

Almost surely, 2^1402740863 is an apocalyptic number.

1402740863 is a deficient number, since it is larger than the sum of its proper divisors (7344385).

1402740863 is an equidigital number, since it uses as much as digits as its factorization.

1402740863 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7344384.

The product of its (nonzero) digits is 32256, while the sum is 35.

The square root of 1402740863 is about 37453.1822813496. The cubic root of 1402740863 is about 1119.4185074053.

The spelling of 1402740863 in words is "one billion, four hundred two million, seven hundred forty thousand, eight hundred sixty-three".