207071149 has 8 divisors (see below), whose sum is σ = 211736448. Its totient is φ = 202446960.

The previous prime is 207071147. The next prime is 207071171. The reversal of 207071149 is 941170702.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 207071149 - 2¹ = 207071147 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 207071149.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (207071141) 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 7 ways as a sum of consecutive naturals, for example, 24 + ... + 20350.

It is an arithmetic number, because the mean of its divisors is an integer number (26467056).

Almost surely, 2^207071149 is an apocalyptic number.

It is an amenable number.

207071149 is a deficient number, since it is larger than the sum of its proper divisors (4665299).

207071149 is a wasteful number, since it uses less digits than its factorization.

207071149 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20555.

The product of its (nonzero) digits is 3528, while the sum is 31.

The square root of 207071149 is about 14389.9669561817. The cubic root of 207071149 is about 591.6159368615.

The spelling of 207071149 in words is "two hundred seven million, seventy-one thousand, one hundred forty-nine".