140709770 has 16 divisors (see below), whose sum is σ = 253719648. Its totient is φ = 56185680.

The previous prime is 140709743. The next prime is 140709797. The reversal of 140709770 is 77907041.

It is an interprime number because it is at equal distance from previous prime (140709743) and next prime (140709797).

It is a self number, because there is not a number n which added to its sum of digits gives 140709770.

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, 6116 + ... + 17855.

It is an arithmetic number, because the mean of its divisors is an integer number (15857478).

Almost surely, 2^140709770 is an apocalyptic number.

140709770 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

140709770 is a deficient number, since it is larger than the sum of its proper divisors (113009878).

140709770 is a wasteful number, since it uses less digits than its factorization.

140709770 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24565.

The product of its (nonzero) digits is 12348, while the sum is 35.

The square root of 140709770 is about 11862.1149041813. The cubic root of 140709770 is about 520.1254258588.

The spelling of 140709770 in words is "one hundred forty million, seven hundred nine thousand, seven hundred seventy".