1365142553 has 2 divisors, whose sum is σ = 1365142554. Its totient is φ = 1365142552.

The previous prime is 1365142547. The next prime is 1365142561. The reversal of 1365142553 is 3552415631.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 947839369 + 417303184 = 30787^2 + 20428^2 .

It is a cyclic number.

It is not a de Polignac number, because 1365142553 - 2⁸ = 1365142297 is a prime.

It is a super-2 number, since 2×1365142553² = 3727228380022715618, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (1365142453) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 682571276 + 682571277.

It is an arithmetic number, because the mean of its divisors is an integer number (682571277).

Almost surely, 2^1365142553 is an apocalyptic number.

It is an amenable number.

1365142553 is a deficient number, since it is larger than the sum of its proper divisors (1).

1365142553 is an equidigital number, since it uses as much as digits as its factorization.

1365142553 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 54000, while the sum is 35.

The square root of 1365142553 is about 36947.8355658352. The cubic root of 1365142553 is about 1109.3263647982.

The spelling of 1365142553 in words is "one billion, three hundred sixty-five million, one hundred forty-two thousand, five hundred fifty-three".