133040977 has 4 divisors (see below), whose sum is σ = 134725120. Its totient is φ = 131356836.

The previous prime is 133040969. The next prime is 133040981. The reversal of 133040977 is 779040331.

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 133040977 - 2³ = 133040969 is a prime.

It is a super-2 number, since 2×133040977² = 35399803122229058, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (133040987) 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, 841953 + ... + 842110.

It is an arithmetic number, because the mean of its divisors is an integer number (33681280).

Almost surely, 2^133040977 is an apocalyptic number.

It is an amenable number.

133040977 is a deficient number, since it is larger than the sum of its proper divisors (1684143).

133040977 is an equidigital number, since it uses as much as digits as its factorization.

133040977 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1684142.

The product of its (nonzero) digits is 15876, while the sum is 34.

The square root of 133040977 is about 11534.3390361130. The cubic root of 133040977 is about 510.4992893273.

The spelling of 133040977 in words is "one hundred thirty-three million, forty thousand, nine hundred seventy-seven".