5661200139 has 8 divisors (see below), whose sum is σ = 8626590720. Its totient is φ = 3234971496.

The previous prime is 5661200089. The next prime is 5661200143. The reversal of 5661200139 is 9310021665.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 5661200139 - 2⁷ = 5661200011 is a prime.

It is not an unprimeable number, because it can be changed into a prime (5661200939) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 134790459 + ... + 134790500.

It is an arithmetic number, because the mean of its divisors is an integer number (1078323840).

Almost surely, 2^5661200139 is an apocalyptic number.

5661200139 is a deficient number, since it is larger than the sum of its proper divisors (2965390581).

5661200139 is a wasteful number, since it uses less digits than its factorization.

5661200139 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 269580969.

The product of its (nonzero) digits is 9720, while the sum is 33.

The square root of 5661200139 is about 75240.9472229052. The cubic root of 5661200139 is about 1782.2536092879.

The spelling of 5661200139 in words is "five billion, six hundred sixty-one million, two hundred thousand, one hundred thirty-nine".