140869465 has 8 divisors (see below), whose sum is σ = 184411008. Its totient is φ = 102450480.

The previous prime is 140869453. The next prime is 140869493. The reversal of 140869465 is 564968041.

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

It is not a de Polignac number, because 140869465 - 2¹¹ = 140867417 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1280577 + ... + 1280686.

It is an arithmetic number, because the mean of its divisors is an integer number (23051376).

Almost surely, 2^140869465 is an apocalyptic number.

It is an amenable number.

140869465 is a deficient number, since it is larger than the sum of its proper divisors (43541543).

140869465 is a wasteful number, since it uses less digits than its factorization.

140869465 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2561279.

The product of its (nonzero) digits is 207360, while the sum is 43.

The square root of 140869465 is about 11868.8442992568. The cubic root of 140869465 is about 520.3221192058.

The spelling of 140869465 in words is "one hundred forty million, eight hundred sixty-nine thousand, four hundred sixty-five".