140596069 has 8 divisors (see below), whose sum is σ = 150185880. Its totient is φ = 131152896.

The previous prime is 140596051. The next prime is 140596073. The reversal of 140596069 is 960695041.

It can be written as a sum of positive squares in 4 ways, for example, as 37675044 + 102921025 = 6138^2 + 10145^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 140596069 - 2⁵ = 140596037 is a prime.

It is a super-2 number, since 2×140596069² = 39534509236505522, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (140596039) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 34674 + ... + 38515.

It is an arithmetic number, because the mean of its divisors is an integer number (18773235).

Almost surely, 2^140596069 is an apocalyptic number.

It is an amenable number.

140596069 is a deficient number, since it is larger than the sum of its proper divisors (9589811).

140596069 is a wasteful number, since it uses less digits than its factorization.

140596069 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 73319.

The product of its (nonzero) digits is 58320, while the sum is 40.

The square root of 140596069 is about 11857.3213248187. The cubic root of 140596069 is about 519.9852917437.

The spelling of 140596069 in words is "one hundred forty million, five hundred ninety-six thousand, sixty-nine".