1358001000 has 96 divisors (see below), whose sum is σ = 4590073800. Its totient is φ = 362131200.

The previous prime is 1358000999. The next prime is 1358001059. The reversal of 1358001000 is 1008531.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 230250276 + 1127750724 = 15174^2 + 33582^2 .

It is a Harshad number since it is a multiple of its sum of digits (18).

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 66445 + ... + 84444.

Almost surely, 2^1358001000 is an apocalyptic number.

1358001000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1358001000 is an abundant number, since it is smaller than the sum of its proper divisors (3232072800).

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

1358001000 is a wasteful number, since it uses less digits than its factorization.

1358001000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 150916 (or 150899 counting only the distinct ones).

The product of its (nonzero) digits is 120, while the sum is 18.

The square root of 1358001000 is about 36851.0651135079. The cubic root of 1358001000 is about 1107.3885529735.

Adding to 1358001000 its reverse (1008531), we get a palindrome (1359009531).

The spelling of 1358001000 in words is "one billion, three hundred fifty-eight million, one thousand".