7136061381 has 12 divisors (see below), whose sum is σ = 10386330240. Its totient is φ = 4721057640.

The previous prime is 7136061367. The next prime is 7136061391. The reversal of 7136061381 is 1831606317.

7136061381 is a `hidden beast` number, since 7 + 1 + 36 + 0 + 613 + 8 + 1 = 666.

It is not a de Polignac number, because 7136061381 - 2¹⁰ = 7136060357 is a prime.

It is a super-2 number, since 2×7136061381² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7136061391) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3025141 + ... + 3027498.

It is an arithmetic number, because the mean of its divisors is an integer number (865527520).

Almost surely, 2^7136061381 is an apocalyptic number.

It is an amenable number.

7136061381 is a deficient number, since it is larger than the sum of its proper divisors (3250268859).

7136061381 is a wasteful number, since it uses less digits than its factorization.

7136061381 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6052776 (or 6052773 counting only the distinct ones).

The product of its (nonzero) digits is 18144, while the sum is 36.

The square root of 7136061381 is about 84475.2116363138. The cubic root of 7136061381 is about 1925.2458341014.

Adding to 7136061381 its reverse (1831606317), we get a palindrome (8967667698).

The spelling of 7136061381 in words is "seven billion, one hundred thirty-six million, sixty-one thousand, three hundred eighty-one".