140861434 has 16 divisors (see below), whose sum is σ = 243736128. Its totient is φ = 59804352.

The previous prime is 140861431. The next prime is 140861521. The reversal of 140861434 is 434168041.

It is a junction number, because it is equal to n+sod(n) for n = 140861396 and 140861405.

It is not an unprimeable number, because it can be changed into a prime (140861431) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 45519 + ... + 48514.

It is an arithmetic number, because the mean of its divisors is an integer number (15233508).

Almost surely, 2^140861434 is an apocalyptic number.

140861434 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

140861434 is a deficient number, since it is larger than the sum of its proper divisors (102874694).

140861434 is a wasteful number, since it uses less digits than its factorization.

140861434 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 94149.

The product of its (nonzero) digits is 9216, while the sum is 31.

The square root of 140861434 is about 11868.5059716883. The cubic root of 140861434 is about 520.3122311241.

The spelling of 140861434 in words is "one hundred forty million, eight hundred sixty-one thousand, four hundred thirty-four".