61206136 has 16 divisors (see below), whose sum is σ = 115494840. Its totient is φ = 30407520.

The previous prime is 61206133. The next prime is 61206139. The reversal of 61206136 is 63160216.

It is an interprime number because it is at equal distance from previous prime (61206133) and next prime (61206139).

It is a self number, because there is not a number n which added to its sum of digits gives 61206136.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (61206133) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 23110 + ... + 25621.

Almost surely, 2^61206136 is an apocalyptic number.

It is an amenable number.

61206136 is a deficient number, since it is larger than the sum of its proper divisors (54288704).

61206136 is a wasteful number, since it uses less digits than its factorization.

61206136 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 48894 (or 48890 counting only the distinct ones).

The product of its (nonzero) digits is 1296, while the sum is 25.

The square root of 61206136 is about 7823.4350511780. The cubic root of 61206136 is about 394.0926371368.

The spelling of 61206136 in words is "sixty-one million, two hundred six thousand, one hundred thirty-six".