133351977 has 16 divisors (see below), whose sum is σ = 197256960. Its totient is φ = 79448400.

The previous prime is 133351973. The next prime is 133351979. The reversal of 133351977 is 779153331.

It is not a de Polignac number, because 133351977 - 2² = 133351973 is a prime.

It is not an unprimeable number, because it can be changed into a prime (133351973) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 32299 + ... + 36192.

It is an arithmetic number, because the mean of its divisors is an integer number (12328560).

Almost surely, 2^133351977 is an apocalyptic number.

It is an amenable number.

133351977 is a deficient number, since it is larger than the sum of its proper divisors (63904983).

133351977 is a wasteful number, since it uses less digits than its factorization.

133351977 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 68564.

The product of its digits is 59535, while the sum is 39.

The square root of 133351977 is about 11547.8126500216. The cubic root of 133351977 is about 510.8967651820.

The spelling of 133351977 in words is "one hundred thirty-three million, three hundred fifty-one thousand, nine hundred seventy-seven".