1384810157 has 16 divisors (see below), whose sum is σ = 1490892480. Its totient is φ = 1281646848.

The previous prime is 1384810139. The next prime is 1384810169. The reversal of 1384810157 is 7510184831.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 1384810157 - 2⁶ = 1384810093 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1384810157.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1384810127) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 250103 + ... + 255579.

It is an arithmetic number, because the mean of its divisors is an integer number (93180780).

Almost surely, 2^1384810157 is an apocalyptic number.

1384810157 is a gapful number since it is divisible by the number (17) formed by its first and last digit.

It is an amenable number.

1384810157 is a deficient number, since it is larger than the sum of its proper divisors (106082323).

1384810157 is a wasteful number, since it uses less digits than its factorization.

1384810157 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5740.

The product of its (nonzero) digits is 26880, while the sum is 38.

The square root of 1384810157 is about 37213.0374600086. The cubic root of 1384810157 is about 1114.6283375888.

Adding to 1384810157 its reverse (7510184831), we get a palindrome (8894994988).

The spelling of 1384810157 in words is "one billion, three hundred eighty-four million, eight hundred ten thousand, one hundred fifty-seven".