1373639153 has 2 divisors, whose sum is σ = 1373639154. Its totient is φ = 1373639152.

The previous prime is 1373639149. The next prime is 1373639167. The reversal of 1373639153 is 3519363731.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1355123344 + 18515809 = 36812^2 + 4303^2 .

It is a cyclic number.

It is not a de Polignac number, because 1373639153 - 2² = 1373639149 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 1373639153.

It is not a weakly prime, because it can be changed into another prime (1373639173) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 686819576 + 686819577.

It is an arithmetic number, because the mean of its divisors is an integer number (686819577).

Almost surely, 2^1373639153 is an apocalyptic number.

It is an amenable number.

1373639153 is a deficient number, since it is larger than the sum of its proper divisors (1).

1373639153 is an equidigital number, since it uses as much as digits as its factorization.

1373639153 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 153090, while the sum is 41.

The square root of 1373639153 is about 37062.6382358299. The cubic root of 1373639153 is about 1111.6230761172.

The spelling of 1373639153 in words is "one billion, three hundred seventy-three million, six hundred thirty-nine thousand, one hundred fifty-three".