133136705 has 32 divisors (see below), whose sum is σ = 183926400. Its totient is φ = 91694592.

The previous prime is 133136699. The next prime is 133136711. The reversal of 133136705 is 507631331.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (133136699) and next prime (133136711).

It is not a de Polignac number, because 133136705 - 2¹² = 133132609 is a prime.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 81941 + ... + 83549.

It is an arithmetic number, because the mean of its divisors is an integer number (5747700).

Almost surely, 2^133136705 is an apocalyptic number.

It is an amenable number.

133136705 is a deficient number, since it is larger than the sum of its proper divisors (50789695).

133136705 is a wasteful number, since it uses less digits than its factorization.

133136705 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1713.

The product of its (nonzero) digits is 5670, while the sum is 29.

The square root of 133136705 is about 11538.4879858671. The cubic root of 133136705 is about 510.6217011353.

The spelling of 133136705 in words is "one hundred thirty-three million, one hundred thirty-six thousand, seven hundred five".