1382402091 has 16 divisors (see below), whose sum is σ = 2111558400. Its totient is φ = 788053728.

The previous prime is 1382402081. The next prime is 1382402129. The reversal of 1382402091 is 1902042831.

It is not a de Polignac number, because 1382402091 - 2⁵ = 1382402059 is a prime.

It is a super-2 number, since 2×1382402091² = 3822071082402344562, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1382402041) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 69756 + ... + 87353.

It is an arithmetic number, because the mean of its divisors is an integer number (131972400).

Almost surely, 2^1382402091 is an apocalyptic number.

1382402091 is a deficient number, since it is larger than the sum of its proper divisors (729156309).

1382402091 is a wasteful number, since it uses less digits than its factorization.

1382402091 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 157538.

The product of its (nonzero) digits is 3456, while the sum is 30.

The square root of 1382402091 is about 37180.6682430534. The cubic root of 1382402091 is about 1113.9818817313.

The spelling of 1382402091 in words is "one billion, three hundred eighty-two million, four hundred two thousand, ninety-one".