132640064260421 has 8 divisors (see below), whose sum is σ = 136227930562560. Its totient is φ = 129052355837328.

The previous prime is 132640064260373. The next prime is 132640064260469. The reversal of 132640064260421 is 124062460046231.

It is an interprime number because it is at equal distance from previous prime (132640064260373) and next prime (132640064260469).

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-132640064260421 is a prime.

It is a super-2 number, since 2×132640064260421² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (132640064260481) 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, 37765781 + ... + 41128266.

It is an arithmetic number, because the mean of its divisors is an integer number (17028491320320).

Almost surely, 2^{132640064260421} is an apocalyptic number.

It is an amenable number.

132640064260421 is a deficient number, since it is larger than the sum of its proper divisors (3587866302139).

132640064260421 is an equidigital number, since it uses as much as digits as its factorization.

132640064260421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 78939523.

The product of its (nonzero) digits is 331776, while the sum is 41.

The spelling of 132640064260421 in words is "one hundred thirty-two trillion, six hundred forty billion, sixty-four million, two hundred sixty thousand, four hundred twenty-one".