132761655421 has 4 divisors (see below), whose sum is σ = 132762545692. Its totient is φ = 132760765152.

The previous prime is 132761655371. The next prime is 132761655443. The reversal of 132761655421 is 124556167231.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It can be written as a sum of positive squares in 2 ways, for example, as 100781486521 + 31980168900 = 317461^2 + 178830^2 .

It is a cyclic number.

It is not a de Polignac number, because 132761655421 - 2¹⁹ = 132761131133 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 (132761655121) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 160986 + ... + 539851.

It is an arithmetic number, because the mean of its divisors is an integer number (33190636423).

Almost surely, 2^132761655421 is an apocalyptic number.

It is an amenable number.

132761655421 is a deficient number, since it is larger than the sum of its proper divisors (890271).

132761655421 is an equidigital number, since it uses as much as digits as its factorization.

132761655421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 890270.

The product of its digits is 302400, while the sum is 43.

The spelling of 132761655421 in words is "one hundred thirty-two billion, seven hundred sixty-one million, six hundred fifty-five thousand, four hundred twenty-one".