1364439998 has 8 divisors (see below), whose sum is σ = 2047795560. Its totient is φ = 681841480.

The previous prime is 1364439977. The next prime is 1364440019. The reversal of 1364439998 is 8999344631.

It is an interprime number because it is at equal distance from previous prime (1364439977) and next prime (1364440019).

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 184733 + ... + 191976.

It is an arithmetic number, because the mean of its divisors is an integer number (255974445).

Almost surely, 2^1364439998 is an apocalyptic number.

1364439998 is a deficient number, since it is larger than the sum of its proper divisors (683355562).

1364439998 is a wasteful number, since it uses less digits than its factorization.

1364439998 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 378522.

The product of its digits is 5038848, while the sum is 56.

The square root of 1364439998 is about 36938.3269518261. The cubic root of 1364439998 is about 1109.1360314352.

The spelling of 1364439998 in words is "one billion, three hundred sixty-four million, four hundred thirty-nine thousand, nine hundred ninety-eight".