1336145297 has 2 divisors, whose sum is σ = 1336145298. Its totient is φ = 1336145296.

The previous prime is 1336145287. The next prime is 1336145323. The reversal of 1336145297 is 7925416331.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 951043921 + 385101376 = 30839^2 + 19624^2 .

It is a cyclic number.

It is not a de Polignac number, because 1336145297 - 2¹⁶ = 1336079761 is a prime.

It is not a weakly prime, because it can be changed into another prime (1336145267) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 668072648 + 668072649.

It is an arithmetic number, because the mean of its divisors is an integer number (668072649).

Almost surely, 2^1336145297 is an apocalyptic number.

It is an amenable number.

1336145297 is a deficient number, since it is larger than the sum of its proper divisors (1).

1336145297 is an equidigital number, since it uses as much as digits as its factorization.

1336145297 is an evil number, because the sum of its binary digits is even.

The product of its digits is 136080, while the sum is 41.

The square root of 1336145297 is about 36553.3212854865. The cubic root of 1336145297 is about 1101.4156146224.

The spelling of 1336145297 in words is "one billion, three hundred thirty-six million, one hundred forty-five thousand, two hundred ninety-seven".