133735977 has 12 divisors (see below), whose sum is σ = 197667184. Its totient is φ = 87083640.

The previous prime is 133735969. The next prime is 133736017. The reversal of 133735977 is 779537331.

It is not a de Polignac number, because 133735977 - 2³ = 133735969 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (133735967) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 172399 + ... + 173172.

Almost surely, 2^133735977 is an apocalyptic number.

It is an amenable number.

133735977 is a deficient number, since it is larger than the sum of its proper divisors (63931207).

133735977 is a wasteful number, since it uses less digits than its factorization.

133735977 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 345620 (or 345617 counting only the distinct ones).

The product of its digits is 416745, while the sum is 45.

The square root of 133735977 is about 11564.4272231702. The cubic root of 133735977 is about 511.3866875470.

The spelling of 133735977 in words is "one hundred thirty-three million, seven hundred thirty-five thousand, nine hundred seventy-seven".