1461136917 has 16 divisors (see below), whose sum is σ = 2053276160. Its totient is φ = 921672432.

The previous prime is 1461136909. The next prime is 1461136931. The reversal of 1461136917 is 7196311641.

It is not a de Polignac number, because 1461136917 - 2³ = 1461136909 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1461146917) 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, 31338 + ... + 62484.

It is an arithmetic number, because the mean of its divisors is an integer number (128329760).

Almost surely, 2^1461136917 is an apocalyptic number.

It is an amenable number.

1461136917 is a deficient number, since it is larger than the sum of its proper divisors (592139243).

1461136917 is a wasteful number, since it uses less digits than its factorization.

1461136917 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31992.

The product of its digits is 27216, while the sum is 39.

The square root of 1461136917 is about 38224.8206928430. The cubic root of 1461136917 is about 1134.7415861979.

The spelling of 1461136917 in words is "one billion, four hundred sixty-one million, one hundred thirty-six thousand, nine hundred seventeen".