1388875014 has 12 divisors (see below), whose sum is σ = 3009229236. Its totient is φ = 462958332.

The previous prime is 1388875013. The next prime is 1388875099. The reversal of 1388875014 is 4105788831.

It is a happy number.

1388875014 is a `hidden beast` number, since 138 + 8 + 8 + 7 + 501 + 4 = 666.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1388875013) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 38579844 + ... + 38579879.

It is an arithmetic number, because the mean of its divisors is an integer number (250769103).

Almost surely, 2^1388875014 is an apocalyptic number.

1388875014 is an abundant number, since it is smaller than the sum of its proper divisors (1620354222).

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

1388875014 is a wasteful number, since it uses less digits than its factorization.

1388875014 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 77159731 (or 77159728 counting only the distinct ones).

The product of its (nonzero) digits is 215040, while the sum is 45.

The square root of 1388875014 is about 37267.6134733632. The cubic root of 1388875014 is about 1115.7178681348.

The spelling of 1388875014 in words is "one billion, three hundred eighty-eight million, eight hundred seventy-five thousand, fourteen".