1388890150 has 24 divisors (see below), whose sum is σ = 2584946160. Its totient is φ = 555209760.

The previous prime is 1388890141. The next prime is 1388890171. The reversal of 1388890150 is 510988831.

It is a super-3 number, since 3×1388890150³ (a number of 28 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1388890097 and 1388890106.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 81687 + ... + 97213.

It is an arithmetic number, because the mean of its divisors is an integer number (107706090).

Almost surely, 2^1388890150 is an apocalyptic number.

1388890150 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1388890150 is a deficient number, since it is larger than the sum of its proper divisors (1196056010).

1388890150 is a wasteful number, since it uses less digits than its factorization.

1388890150 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17328 (or 17323 counting only the distinct ones).

The product of its (nonzero) digits is 69120, while the sum is 43.

The square root of 1388890150 is about 37267.8165445737. The cubic root of 1388890150 is about 1115.7219211619.

The spelling of 1388890150 in words is "one billion, three hundred eighty-eight million, eight hundred ninety thousand, one hundred fifty".