1358117919 has 12 divisors (see below), whose sum is σ = 1962797616. Its totient is φ = 904917312.

The previous prime is 1358117911. The next prime is 1358117921. The reversal of 1358117919 is 9197118531.

It is a happy number.

It is not a de Polignac number, because 1358117919 - 2³ = 1358117911 is a prime.

It is a super-2 number, since 2×1358117919² = 3688968563817781122, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1358117911) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 23427 + ... + 57140.

It is an arithmetic number, because the mean of its divisors is an integer number (163566468).

Almost surely, 2^1358117919 is an apocalyptic number.

1358117919 is a deficient number, since it is larger than the sum of its proper divisors (604679697).

1358117919 is a wasteful number, since it uses less digits than its factorization.

1358117919 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 82446 (or 82443 counting only the distinct ones).

The product of its digits is 68040, while the sum is 45.

The square root of 1358117919 is about 36852.6514514221. The cubic root of 1358117919 is about 1107.4203327849.

The spelling of 1358117919 in words is "one billion, three hundred fifty-eight million, one hundred seventeen thousand, nine hundred nineteen".