140630769 has 32 divisors (see below), whose sum is σ = 215740800. Its totient is φ = 90478080.

The previous prime is 140630767. The next prime is 140630771. The reversal of 140630769 is 967036041.

140630769 is a `hidden beast` number, since 14 + 0 + 630 + 7 + 6 + 9 = 666.

140630769 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (140630767) and next prime (140630771).

It is not a de Polignac number, because 140630769 - 2¹ = 140630767 is a prime.

It is a super-2 number, since 2×140630769² = 39554026379062722, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (140630767) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 102649 + ... + 104009.

It is an arithmetic number, because the mean of its divisors is an integer number (6741900).

Almost surely, 2^140630769 is an apocalyptic number.

It is an amenable number.

140630769 is a deficient number, since it is larger than the sum of its proper divisors (75110031).

140630769 is a wasteful number, since it uses less digits than its factorization.

140630769 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1502 (or 1496 counting only the distinct ones).

The product of its (nonzero) digits is 27216, while the sum is 36.

The square root of 140630769 is about 11858.7844655344. The cubic root of 140630769 is about 520.0280667790.

The spelling of 140630769 in words is "one hundred forty million, six hundred thirty thousand, seven hundred sixty-nine".