1146536961 has 4 divisors (see below), whose sum is σ = 1528715952. Its totient is φ = 764357972.

The previous prime is 1146536903. The next prime is 1146536977. The reversal of 1146536961 is 1696356411.

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, and also an emirpimes, since its reverse is a distinct semiprime: 1696356411 = 3 ⋅565452137.

It is a cyclic number.

It is not a de Polignac number, because 1146536961 - 2⁹ = 1146536449 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1146536761) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 191089491 + ... + 191089496.

It is an arithmetic number, because the mean of its divisors is an integer number (382178988).

Almost surely, 2^1146536961 is an apocalyptic number.

It is an amenable number.

1146536961 is a deficient number, since it is larger than the sum of its proper divisors (382178991).

1146536961 is an equidigital number, since it uses as much as digits as its factorization.

1146536961 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 382178990.

The product of its digits is 116640, while the sum is 42.

The square root of 1146536961 is about 33860.5516936745. The cubic root of 1146536961 is about 1046.6368465659.

The spelling of 1146536961 in words is "one billion, one hundred forty-six million, five hundred thirty-six thousand, nine hundred sixty-one".