1370747320157 has 2 divisors, whose sum is σ = 1370747320158. Its totient is φ = 1370747320156.

The previous prime is 1370747320141. The next prime is 1370747320169. The reversal of 1370747320157 is 7510237470731.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1282558515001 + 88188805156 = 1132501^2 + 296966^2 .

It is an emirp because it is prime and its reverse (7510237470731) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1370747320157 - 2⁴ = 1370747320141 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1370747320057) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 685373660078 + 685373660079.

It is an arithmetic number, because the mean of its divisors is an integer number (685373660079).

Almost surely, 2^{1370747320157} is an apocalyptic number.

It is an amenable number.

1370747320157 is a deficient number, since it is larger than the sum of its proper divisors (1).

1370747320157 is an equidigital number, since it uses as much as digits as its factorization.

1370747320157 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 864360, while the sum is 47.

The spelling of 1370747320157 in words is "one trillion, three hundred seventy billion, seven hundred forty-seven million, three hundred twenty thousand, one hundred fifty-seven".