132652778557 has 8 divisors (see below), whose sum is σ = 151260182136. Its totient is φ = 115245852672.

The previous prime is 132652778537. The next prime is 132652778563. The reversal of 132652778557 is 755877256231.

It can be written as a sum of positive squares in 4 ways, for example, as 54238217881 + 78414560676 = 232891^2 + 280026^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-132652778557 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (132652778537) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 300119188 + ... + 300119629.

It is an arithmetic number, because the mean of its divisors is an integer number (18907522767).

Almost surely, 2^132652778557 is an apocalyptic number.

132652778557 is a gapful number since it is divisible by the number (17) formed by its first and last digit.

It is an amenable number.

132652778557 is a deficient number, since it is larger than the sum of its proper divisors (18607403579).

132652778557 is a wasteful number, since it uses less digits than its factorization.

132652778557 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 600238847.

The product of its digits is 24696000, while the sum is 58.

The spelling of 132652778557 in words is "one hundred thirty-two billion, six hundred fifty-two million, seven hundred seventy-eight thousand, five hundred fifty-seven".