140523214 has 16 divisors (see below), whose sum is σ = 228791808. Its totient is φ = 64344672.

The previous prime is 140523211. The next prime is 140523239. The reversal of 140523214 is 412325041.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (140523211) 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, 17977 + ... + 24580.

It is an arithmetic number, because the mean of its divisors is an integer number (14299488).

Almost surely, 2^140523214 is an apocalyptic number.

140523214 is a deficient number, since it is larger than the sum of its proper divisors (88268594).

140523214 is a wasteful number, since it uses less digits than its factorization.

140523214 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42699.

The product of its (nonzero) digits is 960, while the sum is 22.

The square root of 140523214 is about 11854.2487741738. The cubic root of 140523214 is about 519.8954597540.

Adding to 140523214 its reverse (412325041), we get a palindrome (552848255).

The spelling of 140523214 in words is "one hundred forty million, five hundred twenty-three thousand, two hundred fourteen".