133073577 has 64 divisors (see below), whose sum is σ = 248747520. Its totient is φ = 68428800.

The previous prime is 133073573. The next prime is 133073593. The reversal of 133073577 is 775370331.

133073577 is a `hidden beast` number, since 13 + 3 + 0 + 73 + 577 = 666.

It is not a de Polignac number, because 133073577 - 2² = 133073573 is a prime.

It is not an unprimeable number, because it can be changed into a prime (133073573) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 100077 + ... + 101397.

It is an arithmetic number, because the mean of its divisors is an integer number (3886680).

Almost surely, 2^133073577 is an apocalyptic number.

It is an amenable number.

133073577 is a deficient number, since it is larger than the sum of its proper divisors (115673943).

133073577 is a wasteful number, since it uses less digits than its factorization.

133073577 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1391 (or 1385 counting only the distinct ones).

The product of its (nonzero) digits is 46305, while the sum is 36.

The square root of 133073577 is about 11535.7521211233. The cubic root of 133073577 is about 510.5409830422.

The spelling of 133073577 in words is "one hundred thirty-three million, seventy-three thousand, five hundred seventy-seven".