140616029 has 4 divisors (see below), whose sum is σ = 141199740. Its totient is φ = 140032320.

The previous prime is 140616023. The next prime is 140616059. The reversal of 140616029 is 920616041.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 79619929 + 60996100 = 8923^2 + 7810^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-140616029 is a prime.

It is a super-2 number, since 2×140616029² = 39545735223457682, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 140615992 and 140616010.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (140616023) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 291494 + ... + 291975.

It is an arithmetic number, because the mean of its divisors is an integer number (35299935).

Almost surely, 2^140616029 is an apocalyptic number.

It is an amenable number.

140616029 is a deficient number, since it is larger than the sum of its proper divisors (583711).

140616029 is an equidigital number, since it uses as much as digits as its factorization.

140616029 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 583710.

The product of its (nonzero) digits is 2592, while the sum is 29.

The square root of 140616029 is about 11858.1629690269. The cubic root of 140616029 is about 520.0098974941.

The spelling of 140616029 in words is "one hundred forty million, six hundred sixteen thousand, twenty-nine".