140813029 has 16 divisors (see below), whose sum is σ = 164838528. Its totient is φ = 117798912.

The previous prime is 140813021. The next prime is 140813033. The reversal of 140813029 is 920318041.

It is a happy number.

It is not a de Polignac number, because 140813029 - 2³ = 140813021 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 140812988 and 140813006.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (140813021) 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, 51669 + ... + 54325.

It is an arithmetic number, because the mean of its divisors is an integer number (10302408).

Almost surely, 2^140813029 is an apocalyptic number.

It is an amenable number.

140813029 is a deficient number, since it is larger than the sum of its proper divisors (24025499).

140813029 is a wasteful number, since it uses less digits than its factorization.

140813029 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2844.

The product of its (nonzero) digits is 1728, while the sum is 28.

The square root of 140813029 is about 11866.4665760284. The cubic root of 140813029 is about 520.2526250316.

The spelling of 140813029 in words is "one hundred forty million, eight hundred thirteen thousand, twenty-nine".