60138936 has 240 divisors, whose sum is σ = 202771800. Its totient is φ = 16536960.

The previous prime is 60138913. The next prime is 60138943. The reversal of 60138936 is 63983106.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a self number, because there is not a number n which added to its sum of digits gives 60138936.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 59 ways as a sum of consecutive naturals, for example, 1019275 + ... + 1019333.

Almost surely, 2^60138936 is an apocalyptic number.

60138936 is a gapful number since it is divisible by the number (66) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 60138936, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (101385900).

60138936 is an abundant number, since it is smaller than the sum of its proper divisors (142632864).

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

60138936 is a wasteful number, since it uses less digits than its factorization.

60138936 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 112 (or 88 counting only the distinct ones).

The product of its (nonzero) digits is 23328, while the sum is 36.

The square root of 60138936 is about 7754.9297869162. The cubic root of 60138936 is about 391.7887067609.

The spelling of 60138936 in words is "sixty million, one hundred thirty-eight thousand, nine hundred thirty-six".