140578029 has 12 divisors (see below), whose sum is σ = 204541116. Its totient is φ = 93033792.

The previous prime is 140578027. The next prime is 140578033. The reversal of 140578029 is 920875041.

It can be written as a sum of positive squares in 2 ways, for example, as 37088100 + 103489929 = 6090^2 + 10173^2 .

It is not a de Polignac number, because 140578029 - 2¹ = 140578027 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 140577984 and 140578002.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (140578021) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 55774 + ... + 58239.

It is an arithmetic number, because the mean of its divisors is an integer number (17045093).

Almost surely, 2^140578029 is an apocalyptic number.

It is an amenable number.

140578029 is a deficient number, since it is larger than the sum of its proper divisors (63963087).

140578029 is a wasteful number, since it uses less digits than its factorization.

140578029 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 114156 (or 114153 counting only the distinct ones).

The product of its (nonzero) digits is 20160, while the sum is 36.

The square root of 140578029 is about 11856.5605889735. The cubic root of 140578029 is about 519.9630508756.

The spelling of 140578029 in words is "one hundred forty million, five hundred seventy-eight thousand, twenty-nine".