140167938 has 32 divisors (see below), whose sum is σ = 283675392. Its totient is φ = 46170000.

The previous prime is 140167927. The next prime is 140167961. The reversal of 140167938 is 839761041.

It is a junction number, because it is equal to n+sod(n) for n = 140167896 and 140167905.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 245193 + ... + 245763.

It is an arithmetic number, because the mean of its divisors is an integer number (8864856).

Almost surely, 2^140167938 is an apocalyptic number.

140167938 is an abundant number, since it is smaller than the sum of its proper divisors (143507454).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

140167938 is a wasteful number, since it uses less digits than its factorization.

140167938 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 990.

The product of its (nonzero) digits is 36288, while the sum is 39.

The square root of 140167938 is about 11839.2541150192. The cubic root of 140167938 is about 519.4569503348.

The spelling of 140167938 in words is "one hundred forty million, one hundred sixty-seven thousand, nine hundred thirty-eight".