140675769 has 18 divisors (see below), whose sum is σ = 220033710. Its totient is φ = 86568768.

The previous prime is 140675761. The next prime is 140675809. The reversal of 140675769 is 967576041.

It is a happy number.

140675769 is a `hidden beast` number, since 14 + 0 + 67 + 576 + 9 = 666.

It can be written as a sum of positive squares in 3 ways, for example, as 1742400 + 138933369 = 1320^2 + 11787^2 .

It is not a de Polignac number, because 140675769 - 2³ = 140675761 is a prime.

It is a super-2 number, since 2×140675769² = 39579343967482722, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (140675761) by changing a digit.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 44724 + ... + 47765.

It is an arithmetic number, because the mean of its divisors is an integer number (12224095).

Almost surely, 2^140675769 is an apocalyptic number.

It is an amenable number.

140675769 is a deficient number, since it is larger than the sum of its proper divisors (79357941).

140675769 is a wasteful number, since it uses less digits than its factorization.

140675769 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 92521 (or 92505 counting only the distinct ones).

The product of its (nonzero) digits is 317520, while the sum is 45.

The square root of 140675769 is about 11860.6816414572. The cubic root of 140675769 is about 520.0835282487.

The spelling of 140675769 in words is "one hundred forty million, six hundred seventy-five thousand, seven hundred sixty-nine".