140269329 has 36 divisors (see below), whose sum is σ = 217110400. Its totient is φ = 87246720.

The previous prime is 140269313. The next prime is 140269369. The reversal of 140269329 is 923962041.

It is not a de Polignac number, because 140269329 - 2⁴ = 140269313 is a prime.

It is a super-2 number, since 2×140269329² = 39350969316220482, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 140269293 and 140269302.

It is not an unprimeable number, because it can be changed into a prime (140269309) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 517464 + ... + 517734.

Almost surely, 2^140269329 is an apocalyptic number.

It is an amenable number.

140269329 is a deficient number, since it is larger than the sum of its proper divisors (76841071).

140269329 is a wasteful number, since it uses less digits than its factorization.

140269329 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 510 (or 490 counting only the distinct ones).

The product of its (nonzero) digits is 23328, while the sum is 36.

The square root of 140269329 is about 11843.5353252312. The cubic root of 140269329 is about 519.5821705200.

The spelling of 140269329 in words is "one hundred forty million, two hundred sixty-nine thousand, three hundred twenty-nine".