75144132938 has 32 divisors (see below), whose sum is σ = 137007811584. Its totient is φ = 30174296832.

The previous prime is 75144132929. The next prime is 75144132953. The reversal of 75144132938 is 83923144157.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 75144132892 and 75144132901.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 654845 + ... + 760992.

It is an arithmetic number, because the mean of its divisors is an integer number (4281494112).

Almost surely, 2^75144132938 is an apocalyptic number.

75144132938 is a deficient number, since it is larger than the sum of its proper divisors (61863678646).

75144132938 is a wasteful number, since it uses less digits than its factorization.

75144132938 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1416086.

The product of its digits is 725760, while the sum is 47.

The spelling of 75144132938 in words is "seventy-five billion, one hundred forty-four million, one hundred thirty-two thousand, nine hundred thirty-eight".