140111634 has 32 divisors (see below), whose sum is σ = 302702400. Its totient is φ = 42979392.

The previous prime is 140111627. The next prime is 140111639. The reversal of 140111634 is 436111041.

140111634 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-4 number, since 4×140111634⁴ (a number of 34 digits) contains 4444 as substring.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 140111634.

It is not an unprimeable number, because it can be changed into a prime (140111639) 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, 24649 + ... + 29795.

It is an arithmetic number, because the mean of its divisors is an integer number (9459450).

Almost surely, 2^140111634 is an apocalyptic number.

140111634 is an abundant number, since it is smaller than the sum of its proper divisors (162590766).

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

140111634 is a wasteful number, since it uses less digits than its factorization.

140111634 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5514.

The product of its (nonzero) digits is 288, while the sum is 21.

The square root of 140111634 is about 11836.8760236812. The cubic root of 140111634 is about 519.3873875385.

Adding to 140111634 its reverse (436111041), we get a palindrome (576222675).

The spelling of 140111634 in words is "one hundred forty million, one hundred eleven thousand, six hundred thirty-four".