1383157518 has 16 divisors (see below), whose sum is σ = 2766700800. Its totient is φ = 460988216.

The previous prime is 1383157513. The next prime is 1383157537. The reversal of 1383157518 is 8157513831.

It is a self number, because there is not a number n which added to its sum of digits gives 1383157518.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1383157511) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 54121 + ... + 75467.

It is an arithmetic number, because the mean of its divisors is an integer number (172918800).

Almost surely, 2^1383157518 is an apocalyptic number.

1383157518 is an abundant number, since it is smaller than the sum of its proper divisors (1383543282).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1383157518 is a wasteful number, since it uses less digits than its factorization.

1383157518 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32151.

The product of its digits is 100800, while the sum is 42.

The square root of 1383157518 is about 37190.8257235571. The cubic root of 1383157518 is about 1114.1847601738.

The spelling of 1383157518 in words is "one billion, three hundred eighty-three million, one hundred fifty-seven thousand, five hundred eighteen".