207648142 has 32 divisors (see below), whose sum is σ = 342720000. Its totient is φ = 93775968.

The previous prime is 207648139. The next prime is 207648151. The reversal of 207648142 is 241846702.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 207648098 and 207648107.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 346359 + ... + 346957.

It is an arithmetic number, because the mean of its divisors is an integer number (10710000).

Almost surely, 2^207648142 is an apocalyptic number.

207648142 is a deficient number, since it is larger than the sum of its proper divisors (135071858).

207648142 is a wasteful number, since it uses less digits than its factorization.

207648142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 880.

The product of its (nonzero) digits is 21504, while the sum is 34.

The square root of 207648142 is about 14410.0014573212. The cubic root of 207648142 is about 592.1649296220.

The spelling of 207648142 in words is "two hundred seven million, six hundred forty-eight thousand, one hundred forty-two".