132144400123451 has 4 divisors (see below), whose sum is σ = 134637690691872. Its totient is φ = 129651109555032.

The previous prime is 132144400123441. The next prime is 132144400123517. The reversal of 132144400123451 is 154321004441231.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-132144400123451 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (132144400123441) 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, 1246645284131 + ... + 1246645284236.

It is an arithmetic number, because the mean of its divisors is an integer number (33659422672968).

Almost surely, 2^{132144400123451} is an apocalyptic number.

132144400123451 is a deficient number, since it is larger than the sum of its proper divisors (2493290568421).

132144400123451 is an equidigital number, since it uses as much as digits as its factorization.

132144400123451 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2493290568420.

The product of its (nonzero) digits is 46080, while the sum is 35.

Adding to 132144400123451 its reverse (154321004441231), we get a palindrome (286465404564682).

The spelling of 132144400123451 in words is "one hundred thirty-two trillion, one hundred forty-four billion, four hundred million, one hundred twenty-three thousand, four hundred fifty-one".