133271377 has 4 divisors (see below), whose sum is σ = 140285680. Its totient is φ = 126257076.

The previous prime is 133271371. The next prime is 133271399. The reversal of 133271377 is 773172331.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 133271377 - 2¹¹ = 133269329 is a prime.

It is a super-2 number, since 2×133271377² = 35522519854952258, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (133271371) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3507123 + ... + 3507160.

It is an arithmetic number, because the mean of its divisors is an integer number (35071420).

Almost surely, 2^133271377 is an apocalyptic number.

It is an amenable number.

133271377 is a deficient number, since it is larger than the sum of its proper divisors (7014303).

133271377 is an equidigital number, since it uses as much as digits as its factorization.

133271377 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7014302.

The product of its digits is 18522, while the sum is 34.

The square root of 133271377 is about 11544.3222841360. The cubic root of 133271377 is about 510.7938131317.

The spelling of 133271377 in words is "one hundred thirty-three million, two hundred seventy-one thousand, three hundred seventy-seven".