149806807 has 2 divisors, whose sum is σ = 149806808. Its totient is φ = 149806806.

The previous prime is 149806799. The next prime is 149806817. The reversal of 149806807 is 708608941.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 149806807 - 2³ = 149806799 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (149806817) 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 as a sum of consecutive naturals, namely, 74903403 + 74903404.

It is an arithmetic number, because the mean of its divisors is an integer number (74903404).

Almost surely, 2^149806807 is an apocalyptic number.

149806807 is a deficient number, since it is larger than the sum of its proper divisors (1).

149806807 is an equidigital number, since it uses as much as digits as its factorization.

149806807 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 96768, while the sum is 43.

The square root of 149806807 is about 12239.5591015363. The cubic root of 149806807 is about 531.1010774821.

The spelling of 149806807 in words is "one hundred forty-nine million, eight hundred six thousand, eight hundred seven".