132121521731 has 8 divisors (see below), whose sum is σ = 133011077760. Its totient is φ = 131234177088.

The previous prime is 132121521691. The next prime is 132121521733. The reversal of 132121521731 is 137125121231.

It is a happy number.

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-132121521731 is a prime.

It is a super-2 number, since 2×132121521731² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 132121521694 and 132121521703.

It is not an unprimeable number, because it can be changed into a prime (132121521733) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 432866 + ... + 672023.

It is an arithmetic number, because the mean of its divisors is an integer number (16626384720).

Almost surely, 2^132121521731 is an apocalyptic number.

132121521731 is a deficient number, since it is larger than the sum of its proper divisors (889556029).

132121521731 is a wasteful number, since it uses less digits than its factorization.

132121521731 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1105693.

The product of its digits is 2520, while the sum is 29.

Adding to 132121521731 its reverse (137125121231), we get a palindrome (269246642962).

The spelling of 132121521731 in words is "one hundred thirty-two billion, one hundred twenty-one million, five hundred twenty-one thousand, seven hundred thirty-one".