60131440 has 20 divisors (see below), whose sum is σ = 139805784. Its totient is φ = 24052544.

The previous prime is 60131429. The next prime is 60131459. The reversal of 60131440 is 4413106.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (20).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 375742 + ... + 375901.

Almost surely, 2^60131440 is an apocalyptic number.

It is an amenable number.

60131440 is an abundant number, since it is smaller than the sum of its proper divisors (79674344).

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

60131440 is a wasteful number, since it uses less digits than its factorization.

60131440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 751656 (or 751650 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 19.

The square root of 60131440 is about 7754.4464663830. The cubic root of 60131440 is about 391.7724279551.

Adding to 60131440 its reverse (4413106), we get a palindrome (64544546).

It can be divided in two parts, 601 and 31440, that added together give a square (32041 = 179²).

The spelling of 60131440 in words is "sixty million, one hundred thirty-one thousand, four hundred forty".