140862709 has 8 divisors (see below), whose sum is σ = 152363960. Its totient is φ = 129456576.

The previous prime is 140862671. The next prime is 140862719. The reversal of 140862709 is 907268041.

140862709 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 54316900 + 86545809 = 7370^2 + 9303^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 140862709 - 2¹³ = 140854517 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (140862719) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 20682 + ... + 26635.

It is an arithmetic number, because the mean of its divisors is an integer number (19045495).

Almost surely, 2^140862709 is an apocalyptic number.

It is an amenable number.

140862709 is a deficient number, since it is larger than the sum of its proper divisors (11501251).

140862709 is a wasteful number, since it uses less digits than its factorization.

140862709 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 47559.

The product of its (nonzero) digits is 24192, while the sum is 37.

The square root of 140862709 is about 11868.5596851514. The cubic root of 140862709 is about 520.3138009791.

The spelling of 140862709 in words is "one hundred forty million, eight hundred sixty-two thousand, seven hundred nine".