75241249138 has 64 divisors (see below), whose sum is σ = 130089576960. Its totient is φ = 32325350400.

The previous prime is 75241249103. The next prime is 75241249177. The reversal of 75241249138 is 83194214257.

It is a super-2 number, since 2×75241249138² (a number of 23 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 7971670 + ... + 7981102.

It is an arithmetic number, because the mean of its divisors is an integer number (2032649640).

Almost surely, 2^75241249138 is an apocalyptic number.

75241249138 is a deficient number, since it is larger than the sum of its proper divisors (54848327822).

75241249138 is a wasteful number, since it uses less digits than its factorization.

75241249138 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9763.

The product of its digits is 483840, while the sum is 46.

The spelling of 75241249138 in words is "seventy-five billion, two hundred forty-one million, two hundred forty-nine thousand, one hundred thirty-eight".