1387750264 has 16 divisors (see below), whose sum is σ = 2715163920. Its totient is φ = 663706560.

The previous prime is 1387750229. The next prime is 1387750267. The reversal of 1387750264 is 4620577831.

It is a self number, because there is not a number n which added to its sum of digits gives 1387750264.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1387750267) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 3770877 + ... + 3771244.

It is an arithmetic number, because the mean of its divisors is an integer number (169697745).

Almost surely, 2^1387750264 is an apocalyptic number.

It is an amenable number.

1387750264 is a deficient number, since it is larger than the sum of its proper divisors (1327413656).

1387750264 is a wasteful number, since it uses less digits than its factorization.

1387750264 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7542150 (or 7542146 counting only the distinct ones).

The product of its (nonzero) digits is 282240, while the sum is 43.

The square root of 1387750264 is about 37252.5202368914. The cubic root of 1387750264 is about 1115.4166069068.

The spelling of 1387750264 in words is "one billion, three hundred eighty-seven million, seven hundred fifty thousand, two hundred sixty-four".