133641512 has 16 divisors (see below), whose sum is σ = 259218900. Its totient is φ = 64516480.

The previous prime is 133641511. The next prime is 133641517. The reversal of 133641512 is 215146331.

It can be written as a sum of positive squares in 2 ways, for example, as 120868036 + 12773476 = 10994^2 + 3574^2 .

It is a super-2 number, since 2×133641512² = 35720107459292288, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (133641511) 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, 287789 + ... + 288252.

Almost surely, 2^133641512 is an apocalyptic number.

It is an amenable number.

133641512 is a deficient number, since it is larger than the sum of its proper divisors (125577388).

133641512 is a wasteful number, since it uses less digits than its factorization.

133641512 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 576076 (or 576072 counting only the distinct ones).

The product of its digits is 2160, while the sum is 26.

The square root of 133641512 is about 11560.3422094677. The cubic root of 133641512 is about 511.2662524350.

Adding to 133641512 its reverse (215146331), we get a palindrome (348787843).

The spelling of 133641512 in words is "one hundred thirty-three million, six hundred forty-one thousand, five hundred twelve".