54140136 has 64 divisors (see below), whose sum is σ = 142456320. Its totient is φ = 17122560.

The previous prime is 54140117. The next prime is 54140143. The reversal of 54140136 is 63104145.

54140136 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 38746 + ... + 40118.

It is an arithmetic number, because the mean of its divisors is an integer number (2225880).

Almost surely, 2^54140136 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 54140136, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (71228160).

54140136 is an abundant number, since it is smaller than the sum of its proper divisors (88316184).

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

54140136 is a wasteful number, since it uses less digits than its factorization.

54140136 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1466 (or 1462 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 24.

The square root of 54140136 is about 7357.9980973088. The cubic root of 54140136 is about 378.3029960516.

The spelling of 54140136 in words is "fifty-four million, one hundred forty thousand, one hundred thirty-six".