132770731 has 4 divisors (see below), whose sum is σ = 140580792. Its totient is φ = 124960672.

The previous prime is 132770719. The next prime is 132770749. The reversal of 132770731 is 137077231.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 132770731 - 2⁹ = 132770219 is a prime.

It is a super-3 number, since 3×132770731³ (a number of 25 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 132770693 and 132770702.

It is not an unprimeable number, because it can be changed into a prime (132770431) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3905005 + ... + 3905038.

It is an arithmetic number, because the mean of its divisors is an integer number (35145198).

Almost surely, 2^132770731 is an apocalyptic number.

132770731 is a deficient number, since it is larger than the sum of its proper divisors (7810061).

132770731 is an equidigital number, since it uses as much as digits as its factorization.

132770731 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7810060.

The product of its (nonzero) digits is 6174, while the sum is 31.

The square root of 132770731 is about 11522.6182354533. The cubic root of 132770731 is about 510.1533961232.

The spelling of 132770731 in words is "one hundred thirty-two million, seven hundred seventy thousand, seven hundred thirty-one".