60139994 has 8 divisors (see below), whose sum is σ = 90350100. Its totient is φ = 30023296.

The previous prime is 60139993. The next prime is 60140023. The reversal of 60139994 is 49993106.

It can be written as a sum of positive squares in 2 ways, for example, as 47430769 + 12709225 = 6887^2 + 3565^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (60139993) 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, 21719 + ... + 24330.

Almost surely, 2^60139994 is an apocalyptic number.

60139994 is a deficient number, since it is larger than the sum of its proper divisors (30210106).

60139994 is a wasteful number, since it uses less digits than its factorization.

60139994 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 46704.

The product of its (nonzero) digits is 52488, while the sum is 41.

The square root of 60139994 is about 7754.9980012892. The cubic root of 60139994 is about 391.7910042742.

The spelling of 60139994 in words is "sixty million, one hundred thirty-nine thousand, nine hundred ninety-four".