61340135 has 16 divisors (see below), whose sum is σ = 74844000. Its totient is φ = 48254976.

The previous prime is 61340107. The next prime is 61340159. The reversal of 61340135 is 53104316.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 61340135 - 2⁸ = 61339879 is a prime.

It is a super-2 number, since 2×61340135² = 7525224323636450, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 61340135.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 136391 + ... + 136839.

It is an arithmetic number, because the mean of its divisors is an integer number (4677750).

Almost surely, 2^61340135 is an apocalyptic number.

61340135 is a deficient number, since it is larger than the sum of its proper divisors (13503865).

61340135 is a wasteful number, since it uses less digits than its factorization.

61340135 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 850.

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

The square root of 61340135 is about 7831.9943181798. The cubic root of 61340135 is about 394.3800240552.

The spelling of 61340135 in words is "sixty-one million, three hundred forty thousand, one hundred thirty-five".