140995906 has 8 divisors (see below), whose sum is σ = 211562640. Its totient is φ = 70475028.

The previous prime is 140995889. The next prime is 140995913. The reversal of 140995906 is 609599041.

It is a sphenic number, since it is the product of 3 distinct primes.

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 3 ways as a sum of consecutive naturals, for example, 2316 + ... + 16951.

It is an arithmetic number, because the mean of its divisors is an integer number (26445330).

Almost surely, 2^140995906 is an apocalyptic number.

140995906 is a deficient number, since it is larger than the sum of its proper divisors (70566734).

140995906 is a wasteful number, since it uses less digits than its factorization.

140995906 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22928.

The product of its (nonzero) digits is 87480, while the sum is 43.

The square root of 140995906 is about 11874.1696972883. The cubic root of 140995906 is about 520.4777488048.

The spelling of 140995906 in words is "one hundred forty million, nine hundred ninety-five thousand, nine hundred six".