1402889169 has 16 divisors (see below), whose sum is σ = 2090337984. Its totient is φ = 829497600.

The previous prime is 1402889161. The next prime is 1402889183. The reversal of 1402889169 is 9619882041.

It is not a de Polignac number, because 1402889169 - 2³ = 1402889161 is a prime.

It is a super-2 number, since 2×1402889169² = 3936196040995021122, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1402889161) 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 15 ways as a sum of consecutive naturals, for example, 517084 + ... + 519789.

It is an arithmetic number, because the mean of its divisors is an integer number (130646124).

Almost surely, 2^1402889169 is an apocalyptic number.

It is an amenable number.

1402889169 is a deficient number, since it is larger than the sum of its proper divisors (687448815).

1402889169 is a wasteful number, since it uses less digits than its factorization.

1402889169 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1036928.

The product of its (nonzero) digits is 248832, while the sum is 48.

The square root of 1402889169 is about 37455.1621141866. The cubic root of 1402889169 is about 1119.4579565141.

The spelling of 1402889169 in words is "one billion, four hundred two million, eight hundred eighty-nine thousand, one hundred sixty-nine".