133460644 has 12 divisors (see below), whose sum is σ = 236756044. Its totient is φ = 65816064.

The previous prime is 133460633. The next prime is 133460647. The reversal of 133460644 is 446064331.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 115820644 + 17640000 = 10762^2 + 4200^2 .

It is not an unprimeable number, because it can be changed into a prime (133460647) 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, 228237 + ... + 228820.

Almost surely, 2^133460644 is an apocalyptic number.

It is an amenable number.

133460644 is a deficient number, since it is larger than the sum of its proper divisors (103295400).

133460644 is a wasteful number, since it uses less digits than its factorization.

133460644 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 457134 (or 457132 counting only the distinct ones).

The product of its (nonzero) digits is 20736, while the sum is 31.

The square root of 133460644 is about 11552.5167820696. The cubic root of 133460644 is about 511.0355021462.

The spelling of 133460644 in words is "one hundred thirty-three million, four hundred sixty thousand, six hundred forty-four".