149179207 has 2 divisors, whose sum is σ = 149179208. Its totient is φ = 149179206.

The previous prime is 149179201. The next prime is 149179271. The reversal of 149179207 is 702971941.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-149179207 is a prime.

It is a super-2 number, since 2×149179207² = 44508871602297698, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 149179207.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (149179201) by changing a digit.

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 as a sum of consecutive naturals, namely, 74589603 + 74589604.

It is an arithmetic number, because the mean of its divisors is an integer number (74589604).

Almost surely, 2^149179207 is an apocalyptic number.

149179207 is a deficient number, since it is larger than the sum of its proper divisors (1).

149179207 is an equidigital number, since it uses as much as digits as its factorization.

149179207 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 31752, while the sum is 40.

The square root of 149179207 is about 12213.8940146048. The cubic root of 149179207 is about 530.3583751583.

The spelling of 149179207 in words is "one hundred forty-nine million, one hundred seventy-nine thousand, two hundred seven".