149834207 has 4 divisors (see below), whose sum is σ = 151317816. Its totient is φ = 148350600.

The previous prime is 149834197. The next prime is 149834221. The reversal of 149834207 is 702438941.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 702438941 = 101 ⋅6954841.

It is a cyclic number.

It is not a de Polignac number, because 149834207 - 2⁸ = 149833951 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (149834407) 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 3 ways as a sum of consecutive naturals, for example, 741653 + ... + 741854.

It is an arithmetic number, because the mean of its divisors is an integer number (37829454).

Almost surely, 2^149834207 is an apocalyptic number.

149834207 is a deficient number, since it is larger than the sum of its proper divisors (1483609).

149834207 is a wasteful number, since it uses less digits than its factorization.

149834207 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1483608.

The product of its (nonzero) digits is 48384, while the sum is 38.

The square root of 149834207 is about 12240.6783717243. The cubic root of 149834207 is about 531.1334553665.

The spelling of 149834207 in words is "one hundred forty-nine million, eight hundred thirty-four thousand, two hundred seven".