1338574863 has 16 divisors (see below), whose sum is σ = 1853612640. Its totient is φ = 858502656.

The previous prime is 1338574859. The next prime is 1338574873. The reversal of 1338574863 is 3684758331.

It is not a de Polignac number, because 1338574863 - 2² = 1338574859 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1338574873) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 57870 + ... + 77627.

It is an arithmetic number, because the mean of its divisors is an integer number (115850790).

Almost surely, 2^1338574863 is an apocalyptic number.

1338574863 is a deficient number, since it is larger than the sum of its proper divisors (515037777).

1338574863 is a wasteful number, since it uses less digits than its factorization.

1338574863 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 135626.

The product of its digits is 1451520, while the sum is 48.

The square root of 1338574863 is about 36586.5393690084. The cubic root of 1338574863 is about 1102.0827929689.

It can be divided in two parts, 1338 and 574863, that added together give a triangular number (576201 = T₁₀₇₃).

The spelling of 1338574863 in words is "one billion, three hundred thirty-eight million, five hundred seventy-four thousand, eight hundred sixty-three".