361138807 has 2 divisors, whose sum is σ = 361138808. Its totient is φ = 361138806.

The previous prime is 361138787. The next prime is 361138829. The reversal of 361138807 is 708831163.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 361138807 - 2¹⁹ = 360614519 is a prime.

It is equal to p_19368910 and since 361138807 and 19368910 have the same sum of digits, it is a Honaker prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (361138207) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 180569403 + 180569404.

It is an arithmetic number, because the mean of its divisors is an integer number (180569404).

Almost surely, 2^361138807 is an apocalyptic number.

361138807 is a deficient number, since it is larger than the sum of its proper divisors (1).

361138807 is an equidigital number, since it uses as much as digits as its factorization.

361138807 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 24192, while the sum is 37.

The square root of 361138807 is about 19003.6524647237. The cubic root of 361138807 is about 712.1279852145.

The spelling of 361138807 in words is "three hundred sixty-one million, one hundred thirty-eight thousand, eight hundred seven".