1534131465 has 32 divisors (see below), whose sum is σ = 2593313280. Its totient is φ = 773170944.

The previous prime is 1534131451. The next prime is 1534131491. The reversal of 1534131465 is 5641314351.

It is a happy number.

It is not a de Polignac number, because 1534131465 - 2⁵ = 1534131433 is a prime.

It is a Curzon number.

It is an unprimeable number.

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 31 ways as a sum of consecutive naturals, for example, 17074 + ... + 57963.

It is an arithmetic number, because the mean of its divisors is an integer number (81041040).

Almost surely, 2^1534131465 is an apocalyptic number.

1534131465 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1534131465 is a deficient number, since it is larger than the sum of its proper divisors (1059181815).

1534131465 is a wasteful number, since it uses less digits than its factorization.

1534131465 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 75121.

The product of its digits is 21600, while the sum is 33.

The square root of 1534131465 is about 39167.9903109669. The cubic root of 1534131465 is about 1153.3316028928.

The spelling of 1534131465 in words is "one billion, five hundred thirty-four million, one hundred thirty-one thousand, four hundred sixty-five".