207138826 has 16 divisors (see below), whose sum is σ = 318710304. Its totient is φ = 100913904.

The previous prime is 207138809. The next prime is 207138853. The reversal of 207138826 is 628831702.

207138826 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 35380 + ... + 40816.

It is an arithmetic number, because the mean of its divisors is an integer number (19919394).

Almost surely, 2^207138826 is an apocalyptic number.

207138826 is a deficient number, since it is larger than the sum of its proper divisors (111571478).

207138826 is a wasteful number, since it uses less digits than its factorization.

207138826 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5925.

The product of its (nonzero) digits is 32256, while the sum is 37.

The square root of 207138826 is about 14392.3182983146. The cubic root of 207138826 is about 591.6803823927.

The spelling of 207138826 in words is "two hundred seven million, one hundred thirty-eight thousand, eight hundred twenty-six".