1358197860 has 24 divisors (see below), whose sum is σ = 3802954176. Its totient is φ = 362186080.

The previous prime is 1358197787. The next prime is 1358197889. The reversal of 1358197860 is 687918531.

It is a zygodrome in base 14.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11318256 + ... + 11318375.

It is an arithmetic number, because the mean of its divisors is an integer number (158456424).

Almost surely, 2^1358197860 is an apocalyptic number.

1358197860 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1358197860 is an abundant number, since it is smaller than the sum of its proper divisors (2444756316).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1358197860 is a wasteful number, since it uses less digits than its factorization.

1358197860 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22636643 (or 22636641 counting only the distinct ones).

The product of its (nonzero) digits is 362880, while the sum is 48.

The square root of 1358197860 is about 36853.7360385620. The cubic root of 1358197860 is about 1107.4420605378.

The spelling of 1358197860 in words is "one billion, three hundred fifty-eight million, one hundred ninety-seven thousand, eight hundred sixty".