140061701 has 8 divisors (see below), whose sum is σ = 150931704. Its totient is φ = 129205440.

The previous prime is 140061577. The next prime is 140061721. The reversal of 140061701 is 107160041.

It can be written as a sum of positive squares in 4 ways, for example, as 51136801 + 88924900 = 7151^2 + 9430^2 .

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

It is a de Polignac number, because none of the positive numbers 2^k-140061701 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 (140061721) 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, 29471 + ... + 33891.

It is an arithmetic number, because the mean of its divisors is an integer number (18866463).

Almost surely, 2^140061701 is an apocalyptic number.

It is an amenable number.

140061701 is a deficient number, since it is larger than the sum of its proper divisors (10870003).

140061701 is a wasteful number, since it uses less digits than its factorization.

140061701 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6871.

The product of its (nonzero) digits is 168, while the sum is 20.

The square root of 140061701 is about 11834.7666221181. The cubic root of 140061701 is about 519.3256804288.

The spelling of 140061701 in words is "one hundred forty million, sixty-one thousand, seven hundred one".