1361880658 has 16 divisors (see below), whose sum is σ = 2125932480. Its totient is φ = 653518096.

The previous prime is 1361880647. The next prime is 1361880661. The reversal of 1361880658 is 8560881631.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 60616 + ... + 79987.

It is an arithmetic number, because the mean of its divisors is an integer number (132870780).

Almost surely, 2^1361880658 is an apocalyptic number.

1361880658 is a deficient number, since it is larger than the sum of its proper divisors (764051822).

1361880658 is a wasteful number, since it uses less digits than its factorization.

1361880658 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 140801.

The product of its (nonzero) digits is 276480, while the sum is 46.

The square root of 1361880658 is about 36903.6672703405. The cubic root of 1361880658 is about 1108.4421123352.

The spelling of 1361880658 in words is "one billion, three hundred sixty-one million, eight hundred eighty thousand, six hundred fifty-eight".