1243536746153 has 8 divisors (see below), whose sum is σ = 1339638228096. Its totient is φ = 1147498808400.

The previous prime is 1243536746149. The next prime is 1243536746167. The reversal of 1243536746153 is 3516476353421.

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 not a de Polignac number, because 1243536746153 - 2² = 1243536746149 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1243536746183) 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, 15845393 + ... + 15923678.

It is an arithmetic number, because the mean of its divisors is an integer number (167454778512).

Almost surely, 2^{1243536746153} is an apocalyptic number.

1243536746153 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

1243536746153 is a deficient number, since it is larger than the sum of its proper divisors (96101481943).

1243536746153 is a wasteful number, since it uses less digits than its factorization.

1243536746153 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31772095.

The product of its digits is 5443200, while the sum is 50.

The spelling of 1243536746153 in words is "one trillion, two hundred forty-three billion, five hundred thirty-six million, seven hundred forty-six thousand, one hundred fifty-three".