32135140648021 has 2 divisors, whose sum is σ = 32135140648022. Its totient is φ = 32135140648020.

The previous prime is 32135140647977. The next prime is 32135140648027. The reversal of 32135140648021 is 12084604153123.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 29281507515121 + 2853633132900 = 5411239^2 + 1689270^2 .

It is a cyclic number.

It is not a de Polignac number, because 32135140648021 - 2¹³ = 32135140639829 is a prime.

It is a super-2 number, since 2×32135140648021² (a number of 28 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (32135140648027) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 16067570324010 + 16067570324011.

It is an arithmetic number, because the mean of its divisors is an integer number (16067570324011).

Almost surely, 2^{32135140648021} is an apocalyptic number.

It is an amenable number.

32135140648021 is a deficient number, since it is larger than the sum of its proper divisors (1).

32135140648021 is an equidigital number, since it uses as much as digits as its factorization.

32135140648021 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 138240, while the sum is 40.

The spelling of 32135140648021 in words is "thirty-two trillion, one hundred thirty-five billion, one hundred forty million, six hundred forty-eight thousand, twenty-one".