1402918089 has 4 divisors (see below), whose sum is σ = 1870557456. Its totient is φ = 935278724.

The previous prime is 1402918079. The next prime is 1402918091. The reversal of 1402918089 is 9808192041.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 1402918089 - 2²¹ = 1400820937 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1402918089.

It is not an unprimeable number, because it can be changed into a prime (1402918009) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 233819679 + ... + 233819684.

It is an arithmetic number, because the mean of its divisors is an integer number (467639364).

Almost surely, 2^1402918089 is an apocalyptic number.

It is an amenable number.

1402918089 is a deficient number, since it is larger than the sum of its proper divisors (467639367).

1402918089 is an equidigital number, since it uses as much as digits as its factorization.

1402918089 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 467639366.

The product of its (nonzero) digits is 41472, while the sum is 42.

The square root of 1402918089 is about 37455.5481738020. The cubic root of 1402918089 is about 1119.4656488541.

The spelling of 1402918089 in words is "one billion, four hundred two million, nine hundred eighteen thousand, eighty-nine".