74131415142 has 16 divisors (see below), whose sum is σ = 148386294192. Its totient is φ = 24689894400.

The previous prime is 74131415129. The next prime is 74131415147. The reversal of 74131415142 is 24151413147.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (74131415147) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5136523 + ... + 5150934.

It is an arithmetic number, because the mean of its divisors is an integer number (9274143387).

Almost surely, 2^74131415142 is an apocalyptic number.

74131415142 is an abundant number, since it is smaller than the sum of its proper divisors (74254879050).

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

74131415142 is a wasteful number, since it uses less digits than its factorization.

74131415142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10288663.

The product of its digits is 13440, while the sum is 33.

Adding to 74131415142 its reverse (24151413147), we get a palindrome (98282828289).

The spelling of 74131415142 in words is "seventy-four billion, one hundred thirty-one million, four hundred fifteen thousand, one hundred forty-two".