133953716 has 12 divisors (see below), whose sum is σ = 252451332. Its totient is φ = 61824768.

The previous prime is 133953707. The next prime is 133953719. The reversal of 133953716 is 617359331.

It can be written as a sum of positive squares in 2 ways, for example, as 73891216 + 60062500 = 8596^2 + 7750^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 133953716.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (133953719) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1287965 + ... + 1288068.

It is an arithmetic number, because the mean of its divisors is an integer number (21037611).

Almost surely, 2^133953716 is an apocalyptic number.

It is an amenable number.

133953716 is a deficient number, since it is larger than the sum of its proper divisors (118497616).

133953716 is a wasteful number, since it uses less digits than its factorization.

133953716 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2576050 (or 2576048 counting only the distinct ones).

The product of its digits is 51030, while the sum is 38.

The square root of 133953716 is about 11573.8375658206. The cubic root of 133953716 is about 511.6640710232.

It can be divided in two parts, 1339 and 53716, that added together give a palindrome (55055).

The spelling of 133953716 in words is "one hundred thirty-three million, nine hundred fifty-three thousand, seven hundred sixteen".