1361138058 has 24 divisors (see below), whose sum is σ = 3370437408. Its totient is φ = 388896552.

The previous prime is 1361138057. The next prime is 1361138063. The reversal of 1361138058 is 8508311631.

1361138058 is a `hidden beast` number, since 1 + 3 + 611 + 38 + 0 + 5 + 8 = 666.

It is a super-3 number, since 3×1361138058³ (a number of 28 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is not an unprimeable number, because it can be changed into a prime (1361138057) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 5401216 + ... + 5401467.

It is an arithmetic number, because the mean of its divisors is an integer number (140434892).

Almost surely, 2^1361138058 is an apocalyptic number.

1361138058 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

1361138058 is an abundant number, since it is smaller than the sum of its proper divisors (2009299350).

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

1361138058 is a wasteful number, since it uses less digits than its factorization.

1361138058 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10802698 (or 10802695 counting only the distinct ones).

The product of its (nonzero) digits is 17280, while the sum is 36.

The square root of 1361138058 is about 36893.6045677296. The cubic root of 1361138058 is about 1108.2406069723.

Adding to 1361138058 its reverse (8508311631), we get a palindrome (9869449689).

The spelling of 1361138058 in words is "one billion, three hundred sixty-one million, one hundred thirty-eight thousand, fifty-eight".