133748562 has 48 divisors (see below), whose sum is σ = 289729440. Its totient is φ = 41046912.

The previous prime is 133748561. The next prime is 133748567. The reversal of 133748562 is 265847331.

It is a self number, because there is not a number n which added to its sum of digits gives 133748562.

It is not an unprimeable number, because it can be changed into a prime (133748561) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 155638 + ... + 156494.

It is an arithmetic number, because the mean of its divisors is an integer number (6036030).

Almost surely, 2^133748562 is an apocalyptic number.

133748562 is an abundant number, since it is smaller than the sum of its proper divisors (155980878).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

133748562 is a wasteful number, since it uses less digits than its factorization.

133748562 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 955 (or 918 counting only the distinct ones).

The product of its digits is 120960, while the sum is 39.

The square root of 133748562 is about 11564.9713358918. The cubic root of 133748562 is about 511.4027281063.

The spelling of 133748562 in words is "one hundred thirty-three million, seven hundred forty-eight thousand, five hundred sixty-two".