61362138 has 16 divisors (see below), whose sum is σ = 122804640. Its totient is φ = 20440656.

The previous prime is 61362109. The next prime is 61362139. The reversal of 61362138 is 83126316.

It is not an unprimeable number, because it can be changed into a prime (61362139) 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, 11973 + ... + 16311.

It is an arithmetic number, because the mean of its divisors is an integer number (7675290).

Almost surely, 2^61362138 is an apocalyptic number.

61362138 is an abundant number, since it is smaller than the sum of its proper divisors (61442502).

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

61362138 is a wasteful number, since it uses less digits than its factorization.

61362138 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6701.

The product of its digits is 5184, while the sum is 30.

The square root of 61362138 is about 7833.3988791584. The cubic root of 61362138 is about 394.4271737521.

The spelling of 61362138 in words is "sixty-one million, three hundred sixty-two thousand, one hundred thirty-eight".