140194407 has 16 divisors (see below), whose sum is σ = 205320960. Its totient is φ = 84693312.

The previous prime is 140194357. The next prime is 140194421. The reversal of 140194407 is 704491041.

140194407 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 140194407 - 2⁶ = 140194343 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (140194447) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 52158 + ... + 54779.

It is an arithmetic number, because the mean of its divisors is an integer number (12832560).

Almost surely, 2^140194407 is an apocalyptic number.

140194407 is a deficient number, since it is larger than the sum of its proper divisors (65126553).

140194407 is a wasteful number, since it uses less digits than its factorization.

140194407 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 106982.

The product of its (nonzero) digits is 4032, while the sum is 30.

The square root of 140194407 is about 11840.3719113886. The cubic root of 140194407 is about 519.4896459731.

The spelling of 140194407 in words is "one hundred forty million, one hundred ninety-four thousand, four hundred seven".