1402709690 has 16 divisors (see below), whose sum is σ = 2525437440. Its totient is φ = 560959440.

The previous prime is 1402709683. The next prime is 1402709761. The reversal of 1402709690 is 969072041.

1402709690 is digitally balanced in base 6, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×1402709690² = 3935188948839792200, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 41891 + ... + 67529.

It is an arithmetic number, because the mean of its divisors is an integer number (157839840).

Almost surely, 2^1402709690 is an apocalyptic number.

1402709690 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1402709690 is a deficient number, since it is larger than the sum of its proper divisors (1122727750).

1402709690 is a wasteful number, since it uses less digits than its factorization.

1402709690 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31117.

The product of its (nonzero) digits is 27216, while the sum is 38.

The square root of 1402709690 is about 37452.7661194737. The cubic root of 1402709690 is about 1119.4102150940.

The spelling of 1402709690 in words is "one billion, four hundred two million, seven hundred nine thousand, six hundred ninety".