140270969 has 4 divisors (see below), whose sum is σ = 140302080. Its totient is φ = 140239860.

The previous prime is 140270957. The next prime is 140271007. The reversal of 140270969 is 969072041.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 140270969 - 2⁴ = 140270953 is a prime.

It is a super-2 number, since 2×140270969² = 39351889488397922, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (140270909) 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, 7349 + ... + 18290.

It is an arithmetic number, because the mean of its divisors is an integer number (35075520).

Almost surely, 2^140270969 is an apocalyptic number.

It is an amenable number.

140270969 is a deficient number, since it is larger than the sum of its proper divisors (31111).

140270969 is an equidigital number, since it uses as much as digits as its factorization.

140270969 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31110.

The product of its (nonzero) digits is 27216, while the sum is 38.

The square root of 140270969 is about 11843.6045611123. The cubic root of 140270969 is about 519.5841954612.

The spelling of 140270969 in words is "one hundred forty million, two hundred seventy thousand, nine hundred sixty-nine".