140240451234 has 32 divisors (see below), whose sum is σ = 302579948160. Its totient is φ = 43076109312.

The previous prime is 140240451203. The next prime is 140240451257. The reversal of 140240451234 is 432154042041.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1513014 + ... + 1603025.

It is an arithmetic number, because the mean of its divisors is an integer number (9455623380).

Almost surely, 2^140240451234 is an apocalyptic number.

140240451234 is an abundant number, since it is smaller than the sum of its proper divisors (162339496926).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

140240451234 is a wasteful number, since it uses less digits than its factorization.

140240451234 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3116634.

The product of its (nonzero) digits is 15360, while the sum is 30.

Adding to 140240451234 its reverse (432154042041), we get a palindrome (572394493275).

The spelling of 140240451234 in words is "one hundred forty billion, two hundred forty million, four hundred fifty-one thousand, two hundred thirty-four".