1301144157397 has 4 divisors (see below), whose sum is σ = 1487021894176. Its totient is φ = 1115266420620.

The previous prime is 1301144157371. The next prime is 1301144157449. The reversal of 1301144157397 is 7937514411031.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1301144157397 is a prime.

It is a super-2 number, since 2×1301144157397² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1301144157697) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 92938868379 + ... + 92938868392.

It is an arithmetic number, because the mean of its divisors is an integer number (371755473544).

Almost surely, 2^{1301144157397} is an apocalyptic number.

It is an amenable number.

1301144157397 is a deficient number, since it is larger than the sum of its proper divisors (185877736779).

1301144157397 is an equidigital number, since it uses as much as digits as its factorization.

1301144157397 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 185877736778.

The product of its (nonzero) digits is 317520, while the sum is 46.

It can be divided in two parts, 1301144 and 157397, that added together give a palindrome (1458541).

The spelling of 1301144157397 in words is "one trillion, three hundred one billion, one hundred forty-four million, one hundred fifty-seven thousand, three hundred ninety-seven".