140171234 has 16 divisors (see below), whose sum is σ = 242675136. Its totient is φ = 59478000.

The previous prime is 140171233. The next prime is 140171237. The reversal of 140171234 is 432171041.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (140171233) 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, 48152 + ... + 50979.

It is an arithmetic number, because the mean of its divisors is an integer number (15167196).

Almost surely, 2^140171234 is an apocalyptic number.

140171234 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

140171234 is a deficient number, since it is larger than the sum of its proper divisors (102503902).

140171234 is a wasteful number, since it uses less digits than its factorization.

140171234 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 99241.

The product of its (nonzero) digits is 672, while the sum is 23.

The square root of 140171234 is about 11839.3933121592. The cubic root of 140171234 is about 519.4610219190.

It can be divided in two parts, 14017 and 1234, that added together give a palindrome (15251).

The spelling of 140171234 in words is "one hundred forty million, one hundred seventy-one thousand, two hundred thirty-four".