1338725870 has 16 divisors (see below), whose sum is σ = 2417313888. Its totient is φ = 533799840.

The previous prime is 1338725867. The next prime is 1338725873. The reversal of 1338725870 is 785278331.

1338725870 is digitally balanced in base 6, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (1338725867) and next prime (1338725873).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1338725873) 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, 207986 + ... + 214325.

It is an arithmetic number, because the mean of its divisors is an integer number (151082118).

Almost surely, 2^1338725870 is an apocalyptic number.

1338725870 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1338725870 is a deficient number, since it is larger than the sum of its proper divisors (1078588018).

1338725870 is a wasteful number, since it uses less digits than its factorization.

1338725870 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 422635.

The product of its (nonzero) digits is 282240, while the sum is 44.

The square root of 1338725870 is about 36588.6030069474. The cubic root of 1338725870 is about 1102.1242340476.

The spelling of 1338725870 in words is "one billion, three hundred thirty-eight million, seven hundred twenty-five thousand, eight hundred seventy".