140231134 has 16 divisors (see below), whose sum is σ = 224726400. Its totient is φ = 65432664.

The previous prime is 140231107. The next prime is 140231173. The reversal of 140231134 is 431132041.

It is a Harshad number since it is a multiple of its sum of digits (19).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 24994 + ... + 30085.

It is an arithmetic number, because the mean of its divisors is an integer number (14045400).

Almost surely, 2^140231134 is an apocalyptic number.

140231134 is a deficient number, since it is larger than the sum of its proper divisors (84495266).

140231134 is a wasteful number, since it uses less digits than its factorization.

140231134 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 55167.

The product of its (nonzero) digits is 288, while the sum is 19.

The square root of 140231134 is about 11841.9227323944. The cubic root of 140231134 is about 519.5350059148.

Adding to 140231134 its reverse (431132041), we get a palindrome (571363175).

The spelling of 140231134 in words is "one hundred forty million, two hundred thirty-one thousand, one hundred thirty-four".