1381150615 has 16 divisors (see below), whose sum is σ = 1833114528. Its totient is φ = 992359296.

The previous prime is 1381150609. The next prime is 1381150637. The reversal of 1381150615 is 5160511831.

It is a cyclic number.

It is not a de Polignac number, because 1381150615 - 2⁷ = 1381150487 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 284737 + ... + 289546.

It is an arithmetic number, because the mean of its divisors is an integer number (114569658).

Almost surely, 2^1381150615 is an apocalyptic number.

1381150615 is a deficient number, since it is larger than the sum of its proper divisors (451963913).

1381150615 is a wasteful number, since it uses less digits than its factorization.

1381150615 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 574338.

The product of its (nonzero) digits is 3600, while the sum is 31.

The square root of 1381150615 is about 37163.8347725312. The cubic root of 1381150615 is about 1113.6456210284.

The spelling of 1381150615 in words is "one billion, three hundred eighty-one million, one hundred fifty thousand, six hundred fifteen".