132726497 has 4 divisors (see below), whose sum is σ = 140533956. Its totient is φ = 124919040.

The previous prime is 132726481. The next prime is 132726547. The reversal of 132726497 is 794627231.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 794627231 = 29 ⋅27400939.

It can be written as a sum of positive squares in 2 ways, for example, as 106419856 + 26306641 = 10316^2 + 5129^2 .

It is a cyclic number.

It is not a de Polignac number, because 132726497 - 2⁴ = 132726481 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (132726197) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3903704 + ... + 3903737.

It is an arithmetic number, because the mean of its divisors is an integer number (35133489).

Almost surely, 2^132726497 is an apocalyptic number.

132726497 is a gapful number since it is divisible by the number (17) formed by its first and last digit.

It is an amenable number.

132726497 is a deficient number, since it is larger than the sum of its proper divisors (7807459).

132726497 is an equidigital number, since it uses as much as digits as its factorization.

132726497 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7807458.

The product of its digits is 127008, while the sum is 41.

The square root of 132726497 is about 11520.6986333295. The cubic root of 132726497 is about 510.0967354629.

The spelling of 132726497 in words is "one hundred thirty-two million, seven hundred twenty-six thousand, four hundred ninety-seven".