1146634521 has 4 divisors (see below), whose sum is σ = 1528846032. Its totient is φ = 764423012.

The previous prime is 1146634499. The next prime is 1146634523. The reversal of 1146634521 is 1254366411.

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.

It is a cyclic number.

It is not a de Polignac number, because 1146634521 - 2²² = 1142440217 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1146634523) 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, 191105751 + ... + 191105756.

It is an arithmetic number, because the mean of its divisors is an integer number (382211508).

Almost surely, 2^1146634521 is an apocalyptic number.

It is an amenable number.

1146634521 is a deficient number, since it is larger than the sum of its proper divisors (382211511).

1146634521 is an equidigital number, since it uses as much as digits as its factorization.

1146634521 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 382211510.

The product of its digits is 17280, while the sum is 33.

The square root of 1146634521 is about 33861.9922774783. The cubic root of 1146634521 is about 1046.6665321897. Note that the first 3 decimals are identical.

The spelling of 1146634521 in words is "one billion, one hundred forty-six million, six hundred thirty-four thousand, five hundred twenty-one".