210507139414 has 32 divisors (see below), whose sum is σ = 371071653120. Its totient is φ = 88298954400.

The previous prime is 210507139399. The next prime is 210507139421. The reversal of 210507139414 is 414931705012.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 893007 + ... + 1103845.

It is an arithmetic number, because the mean of its divisors is an integer number (11595989160).

Almost surely, 2^210507139414 is an apocalyptic number.

210507139414 is a deficient number, since it is larger than the sum of its proper divisors (160564513706).

210507139414 is a wasteful number, since it uses less digits than its factorization.

210507139414 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 214356.

The product of its (nonzero) digits is 30240, while the sum is 37.

The spelling of 210507139414 in words is "two hundred ten billion, five hundred seven million, one hundred thirty-nine thousand, four hundred fourteen".