1214131589 has 16 divisors (see below), whose sum is σ = 1372916736. Its totient is φ = 1064118000.

The previous prime is 1214131549. The next prime is 1214131591. The reversal of 1214131589 is 9851314121.

It is a happy number.

It is not a de Polignac number, because 1214131589 - 2²⁰ = 1213083013 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1214131549) 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, 17114 + ... + 52164.

It is an arithmetic number, because the mean of its divisors is an integer number (85807296).

Almost surely, 2^1214131589 is an apocalyptic number.

It is an amenable number.

1214131589 is a deficient number, since it is larger than the sum of its proper divisors (158785147).

1214131589 is a wasteful number, since it uses less digits than its factorization.

1214131589 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35176.

The product of its digits is 8640, while the sum is 35.

The square root of 1214131589 is about 34844.3910694390. The cubic root of 1214131589 is about 1066.8137048061.

The spelling of 1214131589 in words is "one billion, two hundred fourteen million, one hundred thirty-one thousand, five hundred eighty-nine".