140707138 has 16 divisors (see below), whose sum is σ = 247959936. Its totient is φ = 59037840.

The previous prime is 140707117. The next prime is 140707139. The reversal of 140707138 is 831707041.

It is not an unprimeable number, because it can be changed into a prime (140707139) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 245706 + ... + 246277.

It is an arithmetic number, because the mean of its divisors is an integer number (15497496).

Almost surely, 2^140707138 is an apocalyptic number.

140707138 is a deficient number, since it is larger than the sum of its proper divisors (107252798).

140707138 is a wasteful number, since it uses less digits than its factorization.

140707138 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 492009.

The product of its (nonzero) digits is 4704, while the sum is 31.

The square root of 140707138 is about 11862.0039622317. The cubic root of 140707138 is about 520.1221828273.

The spelling of 140707138 in words is "one hundred forty million, seven hundred seven thousand, one hundred thirty-eight".