207142430 has 16 divisors (see below), whose sum is σ = 406752624. Its totient is φ = 75324480.

The previous prime is 207142421. The next prime is 207142457. The reversal of 207142430 is 34241702.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 207142396 and 207142405.

It is a congruent number.

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, 941447 + ... + 941666.

It is an arithmetic number, because the mean of its divisors is an integer number (25422039).

Almost surely, 2^207142430 is an apocalyptic number.

207142430 is a deficient number, since it is larger than the sum of its proper divisors (199610194).

207142430 is a wasteful number, since it uses less digits than its factorization.

207142430 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1883131.

The product of its (nonzero) digits is 1344, while the sum is 23.

The square root of 207142430 is about 14392.4435034500. The cubic root of 207142430 is about 591.6838139138.

The spelling of 207142430 in words is "two hundred seven million, one hundred forty-two thousand, four hundred thirty".