1398002159 has 16 divisors (see below), whose sum is σ = 1524249600. Its totient is φ = 1277138016.

The previous prime is 1398002143. The next prime is 1398002161. The reversal of 1398002159 is 9512008931.

It is a cyclic number.

It is not a de Polignac number, because 1398002159 - 2⁴ = 1398002143 is a prime.

It is a super-2 number, since 2×1398002159² = 3908820073137322562, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1398002119) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 783182 + ... + 784964.

It is an arithmetic number, because the mean of its divisors is an integer number (95265600).

Almost surely, 2^1398002159 is an apocalyptic number.

1398002159 is a gapful number since it is divisible by the number (19) formed by its first and last digit.

1398002159 is a deficient number, since it is larger than the sum of its proper divisors (126247441).

1398002159 is a wasteful number, since it uses less digits than its factorization.

1398002159 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3254.

The product of its (nonzero) digits is 19440, while the sum is 38.

The square root of 1398002159 is about 37389.8670631496. The cubic root of 1398002159 is about 1118.1565547963.

The spelling of 1398002159 in words is "one billion, three hundred ninety-eight million, two thousand, one hundred fifty-nine".