61136141 has 8 divisors (see below), whose sum is σ = 66768384. Its totient is φ = 55516320.

The previous prime is 61136137. The next prime is 61136177. The reversal of 61136141 is 14163116.

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 61136141 - 2² = 61136137 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 (61136741) 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, 9401 + ... + 14513.

It is an arithmetic number, because the mean of its divisors is an integer number (8346048).

Almost surely, 2^61136141 is an apocalyptic number.

It is an amenable number.

61136141 is a deficient number, since it is larger than the sum of its proper divisors (5632243).

61136141 is a wasteful number, since it uses less digits than its factorization.

61136141 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6211.

The product of its digits is 432, while the sum is 23.

The square root of 61136141 is about 7818.9603528858. The cubic root of 61136141 is about 393.9423524443.

Adding to 61136141 its reverse (14163116), we get a palindrome (75299257).

The spelling of 61136141 in words is "sixty-one million, one hundred thirty-six thousand, one hundred forty-one".