1358699958 has 96 divisors (see below), whose sum is σ = 3684545280. Its totient is φ = 351535680.

The previous prime is 1358699941. The next prime is 1358699987. The reversal of 1358699958 is 8599968531.

It is a Harshad number since it is a multiple of its sum of digits (63).

It is a junction number, because it is equal to n+sod(n) for n = 1358699895 and 1358699904.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 382153 + ... + 385691.

It is an arithmetic number, because the mean of its divisors is an integer number (38380680).

Almost surely, 2^1358699958 is an apocalyptic number.

1358699958 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 1358699958, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1842272640).

1358699958 is an abundant number, since it is smaller than the sum of its proper divisors (2325845322).

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

1358699958 is a wasteful number, since it uses less digits than its factorization.

1358699958 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3842 (or 3839 counting only the distinct ones).

The product of its digits is 20995200, while the sum is 63.

The square root of 1358699958 is about 36860.5474457448. The cubic root of 1358699958 is about 1107.5785099597.

The spelling of 1358699958 in words is "one billion, three hundred fifty-eight million, six hundred ninety-nine thousand, nine hundred fifty-eight".