1319845153 has 4 divisors (see below), whose sum is σ = 1439831088. Its totient is φ = 1199859220.

The previous prime is 1319845151. The next prime is 1319845157. The reversal of 1319845153 is 3515489131.

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 not a de Polignac number, because 1319845153 - 2¹ = 1319845151 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1319845151) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 59992951 + ... + 59992972.

It is an arithmetic number, because the mean of its divisors is an integer number (359957772).

Almost surely, 2^1319845153 is an apocalyptic number.

It is an amenable number.

1319845153 is a deficient number, since it is larger than the sum of its proper divisors (119985935).

1319845153 is a wasteful number, since it uses less digits than its factorization.

1319845153 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 119985934.

The product of its digits is 64800, while the sum is 40.

The square root of 1319845153 is about 36329.6731749681. The cubic root of 1319845153 is about 1096.9184145748.

The spelling of 1319845153 in words is "one billion, three hundred nineteen million, eight hundred forty-five thousand, one hundred fifty-three".