133712765 has 32 divisors (see below), whose sum is σ = 173352960. Its totient is φ = 98784000.

The previous prime is 133712759. The next prime is 133712779. The reversal of 133712765 is 567217331.

It is not a de Polignac number, because 133712765 - 2¹² = 133708669 is a prime.

It is a congruent 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, 678647 + ... + 678843.

It is an arithmetic number, because the mean of its divisors is an integer number (5417280).

Almost surely, 2^133712765 is an apocalyptic number.

It is an amenable number.

133712765 is a deficient number, since it is larger than the sum of its proper divisors (39640195).

133712765 is a wasteful number, since it uses less digits than its factorization.

133712765 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 413.

The product of its digits is 26460, while the sum is 35.

The square root of 133712765 is about 11563.4235847348. The cubic root of 133712765 is about 511.3570994115.

The spelling of 133712765 in words is "one hundred thirty-three million, seven hundred twelve thousand, seven hundred sixty-five".