462138207 has 4 divisors (see below), whose sum is σ = 616184280. Its totient is φ = 308092136.

The previous prime is 462138199. The next prime is 462138211. The reversal of 462138207 is 702831264.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 462138207 - 2³ = 462138199 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (462138227) 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 in 3 ways as a sum of consecutive naturals, for example, 77023032 + ... + 77023037.

It is an arithmetic number, because the mean of its divisors is an integer number (154046070).

Almost surely, 2^462138207 is an apocalyptic number.

462138207 is a deficient number, since it is larger than the sum of its proper divisors (154046073).

462138207 is a wasteful number, since it uses less digits than its factorization.

462138207 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 154046072.

The product of its (nonzero) digits is 16128, while the sum is 33.

The square root of 462138207 is about 21497.4000055821. The cubic root of 462138207 is about 773.1384845052.

The spelling of 462138207 in words is "four hundred sixty-two million, one hundred thirty-eight thousand, two hundred seven".