133157376 has 240 divisors, whose sum is σ = 436632768. Its totient is φ = 38707200.

The previous prime is 133157351. The next prime is 133157393. The reversal of 133157376 is 673751331.

It is a happy number.

133157376 is a `hidden beast` number, since 13 + 3 + 1 + 573 + 76 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a self number, because there is not a number n which added to its sum of digits gives 133157376.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1875421 + ... + 1875491.

Almost surely, 2^133157376 is an apocalyptic number.

133157376 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 133157376, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (218316384).

133157376 is an abundant number, since it is smaller than the sum of its proper divisors (303475392).

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

133157376 is a wasteful number, since it uses less digits than its factorization.

133157376 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 143 (or 124 counting only the distinct ones).

The product of its digits is 39690, while the sum is 36.

The square root of 133157376 is about 11539.3836923815. The cubic root of 133157376 is about 510.6481263924.

The spelling of 133157376 in words is "one hundred thirty-three million, one hundred fifty-seven thousand, three hundred seventy-six".