133737065 has 48 divisors (see below), whose sum is σ = 210518784. Its totient is φ = 79685760.

The previous prime is 133737061. The next prime is 133737077. The reversal of 133737065 is 560737331.

It is not a de Polignac number, because 133737065 - 2² = 133737061 is a prime.

It is a Smith number, since the sum of its digits (35) coincides with the sum of the digits of its prime factors.

It is a Harshad number since it is a multiple of its sum of digits (35).

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (133737061) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 96719 + ... + 98091.

It is an arithmetic number, because the mean of its divisors is an integer number (4385808).

Almost surely, 2^133737065 is an apocalyptic number.

It is an amenable number.

133737065 is a deficient number, since it is larger than the sum of its proper divisors (76781719).

133737065 is a wasteful number, since it uses less digits than its factorization.

133737065 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1430 (or 1419 counting only the distinct ones).

The product of its (nonzero) digits is 39690, while the sum is 35.

The square root of 133737065 is about 11564.4742638825. The cubic root of 133737065 is about 511.3880743272.

The spelling of 133737065 in words is "one hundred thirty-three million, seven hundred thirty-seven thousand, sixty-five".