133957476 has 45 divisors (see below), whose sum is σ = 350736771. Its totient is φ = 44583048.

The previous prime is 133957471. The next prime is 133957489. The reversal of 133957476 is 674759331.

The square root of 133957476 is 11574.

It is a perfect power (a square), and thus also a powerful number.

133957476 is a `hidden beast` number, since 1 + 3 + 3 + 9 + 574 + 76 = 666.

Its product of digits (476280) is a multiple of the sum of its prime divisors (648).

It is not an unprimeable number, because it can be changed into a prime (133957471) by changing a digit.

It is a polite number, since it can be written in 14 ways as a sum of consecutive naturals, for example, 208011 + ... + 208653.

Almost surely, 2^133957476 is an apocalyptic number.

133957476 is the 11574-th square number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 133957476

133957476 is an abundant number, since it is smaller than the sum of its proper divisors (216779295).

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

133957476 is an frugal number, since it uses more digits than its factorization.

133957476 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1302 (or 648 counting only the distinct ones).

The product of its digits is 476280, while the sum is 45.

The cubic root of 133957476 is about 511.6688583457.

The spelling of 133957476 in words is "one hundred thirty-three million, nine hundred fifty-seven thousand, four hundred seventy-six".