1358936998 has 16 divisors (see below), whose sum is σ = 2092044240. Its totient is φ = 661683456.

The previous prime is 1358936993. The next prime is 1358937011. The reversal of 1358936998 is 8996398531.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1358936993) 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, 5538 + ... + 52426.

It is an arithmetic number, because the mean of its divisors is an integer number (130752765).

Almost surely, 2^1358936998 is an apocalyptic number.

1358936998 is a deficient number, since it is larger than the sum of its proper divisors (733107242).

1358936998 is a wasteful number, since it uses less digits than its factorization.

1358936998 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 47271.

The product of its digits is 12597120, while the sum is 61.

The square root of 1358936998 is about 36863.7626674218. The cubic root of 1358936998 is about 1107.6429159242.

The spelling of 1358936998 in words is "one billion, three hundred fifty-eight million, nine hundred thirty-six thousand, nine hundred ninety-eight".