61580134 has 16 divisors (see below), whose sum is σ = 115163136. Its totient is φ = 23992200.

The previous prime is 61580111. The next prime is 61580149. The reversal of 61580134 is 43108516.

It is a super-2 number, since 2×61580134² = 7584225806915912, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 199782 + ... + 200089.

It is an arithmetic number, because the mean of its divisors is an integer number (7197696).

Almost surely, 2^61580134 is an apocalyptic number.

61580134 is a deficient number, since it is larger than the sum of its proper divisors (53583002).

61580134 is a wasteful number, since it uses less digits than its factorization.

61580134 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 399891.

The product of its (nonzero) digits is 2880, while the sum is 28.

The square root of 61580134 is about 7847.3010646973. The cubic root of 61580134 is about 394.8937042400.

The spelling of 61580134 in words is "sixty-one million, five hundred eighty thousand, one hundred thirty-four".