133071377 has 8 divisors (see below), whose sum is σ = 134213856. Its totient is φ = 131933952.

The previous prime is 133071371. The next prime is 133071397. The reversal of 133071377 is 773170331.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 133071377 - 2¹⁸ = 132809233 is a prime.

It is a super-2 number, since 2×133071377² = 35415982753352258, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (133071371) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 65978 + ... + 67964.

It is an arithmetic number, because the mean of its divisors is an integer number (16776732).

Almost surely, 2^133071377 is an apocalyptic number.

It is an amenable number.

133071377 is a deficient number, since it is larger than the sum of its proper divisors (1142479).

133071377 is a wasteful number, since it uses less digits than its factorization.

133071377 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2527.

The product of its (nonzero) digits is 9261, while the sum is 32.

The square root of 133071377 is about 11535.6567650048. The cubic root of 133071377 is about 510.5381695702.

The spelling of 133071377 in words is "one hundred thirty-three million, seventy-one thousand, three hundred seventy-seven".