133136564 has 48 divisors (see below), whose sum is σ = 265749120. Its totient is φ = 57805440.

The previous prime is 133136527. The next prime is 133136603. The reversal of 133136564 is 465631331.

It is a self number, because there is not a number n which added to its sum of digits gives 133136564.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 130922 + ... + 131934.

It is an arithmetic number, because the mean of its divisors is an integer number (5536440).

Almost surely, 2^133136564 is an apocalyptic number.

It is an amenable number.

133136564 is a deficient number, since it is larger than the sum of its proper divisors (132612556).

133136564 is a wasteful number, since it uses less digits than its factorization.

133136564 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1160 (or 1158 counting only the distinct ones).

The product of its digits is 19440, while the sum is 32.

The square root of 133136564 is about 11538.4818758795. The cubic root of 133136564 is about 510.6215208753.

Adding to 133136564 its reverse (465631331), we get a palindrome (598767895).

It can be divided in two parts, 1331 and 36564, that multiplied together give a palindrome (48666684).

The spelling of 133136564 in words is "one hundred thirty-three million, one hundred thirty-six thousand, five hundred sixty-four".