74000134140 has 24 divisors (see below), whose sum is σ = 207200375760. Its totient is φ = 19733369088.

The previous prime is 74000134121. The next prime is 74000134147. The reversal of 74000134140 is 4143100047.

It is a self number, because there is not a number n which added to its sum of digits gives 74000134140.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (74000134147) 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, 616667725 + ... + 616667844.

It is an arithmetic number, because the mean of its divisors is an integer number (8633348990).

Almost surely, 2^74000134140 is an apocalyptic number.

It is an amenable number.

74000134140 is an abundant number, since it is smaller than the sum of its proper divisors (133200241620).

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

74000134140 is a wasteful number, since it uses less digits than its factorization.

74000134140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1233335581 (or 1233335579 counting only the distinct ones).

The product of its (nonzero) digits is 1344, while the sum is 24.

Adding to 74000134140 its reverse (4143100047), we get a palindrome (78143234187).

The spelling of 74000134140 in words is "seventy-four billion, one hundred thirty-four thousand, one hundred forty".