1230140358 has 48 divisors (see below), whose sum is σ = 2768862096. Its totient is φ = 409328640.

The previous prime is 1230140333. The next prime is 1230140377. The reversal of 1230140358 is 8530410321.

It is a happy number.

1230140358 is a `hidden beast` number, since 1 + 2 + 301 + 4 + 0 + 358 = 666.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a Curzon number.

It is a congruent number.

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, 325198 + ... + 328958.

It is an arithmetic number, because the mean of its divisors is an integer number (57684627).

Almost surely, 2^1230140358 is an apocalyptic number.

1230140358 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 1230140358, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1384431048).

1230140358 is an abundant number, since it is smaller than the sum of its proper divisors (1538721738).

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

1230140358 is an equidigital number, since it uses as much as digits as its factorization.

1230140358 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4451 (or 4439 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 27.

The square root of 1230140358 is about 35073.3568111180. The cubic root of 1230140358 is about 1071.4820229791.

Adding to 1230140358 its reverse (8530410321), we get a palindrome (9760550679).

The spelling of 1230140358 in words is "one billion, two hundred thirty million, one hundred forty thousand, three hundred fifty-eight".