61140335 has 8 divisors (see below), whose sum is σ = 74054736. Its totient is φ = 48454720.

The previous prime is 61140311. The next prime is 61140341. The reversal of 61140335 is 53304116.

It is a happy number.

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

It is not a de Polignac number, because 61140335 - 2¹⁰ = 61139311 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 61140335.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 56606 + ... + 57675.

It is an arithmetic number, because the mean of its divisors is an integer number (9256842).

Almost surely, 2^61140335 is an apocalyptic number.

61140335 is a deficient number, since it is larger than the sum of its proper divisors (12914401).

61140335 is a wasteful number, since it uses less digits than its factorization.

61140335 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 114393.

The product of its (nonzero) digits is 1080, while the sum is 23.

The square root of 61140335 is about 7819.2285425098. The cubic root of 61140335 is about 393.9513605172.

The spelling of 61140335 in words is "sixty-one million, one hundred forty thousand, three hundred thirty-five".