61135092 has 72 divisors (see below), whose sum is σ = 159213600. Its totient is φ = 19771968.

The previous prime is 61135051. The next prime is 61135093. The reversal of 61135092 is 29053116.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (61135093) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 227134 + ... + 227402.

It is an arithmetic number, because the mean of its divisors is an integer number (2211300).

Almost surely, 2^61135092 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 61135092, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (79606800).

61135092 is an abundant number, since it is smaller than the sum of its proper divisors (98078508).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

61135092 is a wasteful number, since it uses less digits than its factorization.

61135092 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 445 (or 440 counting only the distinct ones).

The product of its (nonzero) digits is 1620, while the sum is 27.

The square root of 61135092 is about 7818.8932720686. The cubic root of 61135092 is about 393.9400992877.

The spelling of 61135092 in words is "sixty-one million, one hundred thirty-five thousand, ninety-two".