1388770082 has 16 divisors (see below), whose sum is σ = 2414282112. Its totient is φ = 586803840.

The previous prime is 1388770073. The next prime is 1388770087. The reversal of 1388770082 is 2800778831.

It is not an unprimeable number, because it can be changed into a prime (1388770087) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 697583 + ... + 699570.

It is an arithmetic number, because the mean of its divisors is an integer number (150892632).

Almost surely, 2^1388770082 is an apocalyptic number.

1388770082 is a deficient number, since it is larger than the sum of its proper divisors (1025512030).

1388770082 is a wasteful number, since it uses less digits than its factorization.

1388770082 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1397233.

The product of its (nonzero) digits is 150528, while the sum is 44.

The square root of 1388770082 is about 37266.2056292293. The cubic root of 1388770082 is about 1115.6897692647.

The spelling of 1388770082 in words is "one billion, three hundred eighty-eight million, seven hundred seventy thousand, eighty-two".