1240132652553 has 8 divisors (see below), whose sum is σ = 1653535135008. Its totient is φ = 826742635904.

The previous prime is 1240132652543. The next prime is 1240132652557. The reversal of 1240132652553 is 3552562310421.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1240132652553 - 2¹⁶ = 1240132587017 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (1240132652557) 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, 2881800 + ... + 3284057.

It is an arithmetic number, because the mean of its divisors is an integer number (206691891876).

Almost surely, 2^{1240132652553} is an apocalyptic number.

It is an amenable number.

1240132652553 is a deficient number, since it is larger than the sum of its proper divisors (413402482455).

1240132652553 is an equidigital number, since it uses as much as digits as its factorization.

1240132652553 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6232903.

The product of its (nonzero) digits is 216000, while the sum is 39.

Adding to 1240132652553 its reverse (3552562310421), we get a palindrome (4792694962974).

The spelling of 1240132652553 in words is "one trillion, two hundred forty billion, one hundred thirty-two million, six hundred fifty-two thousand, five hundred fifty-three".