7512138341 has 4 divisors (see below), whose sum is σ = 7539258252. Its totient is φ = 7485018432.

The previous prime is 7512138301. The next prime is 7512138383. The reversal of 7512138341 is 1438312157.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 1438312157 = 79 ⋅18206483.

It can be written as a sum of positive squares in 2 ways, for example, as 1818681316 + 5693457025 = 42646^2 + 75455^2 .

It is a cyclic number.

It is not a de Polignac number, because 7512138341 - 2¹⁴ = 7512121957 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7512138301) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 13559540 + ... + 13560093.

It is an arithmetic number, because the mean of its divisors is an integer number (1884814563).

Almost surely, 2^7512138341 is an apocalyptic number.

It is an amenable number.

7512138341 is a deficient number, since it is larger than the sum of its proper divisors (27119911).

7512138341 is a wasteful number, since it uses less digits than its factorization.

7512138341 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27119910.

The product of its digits is 20160, while the sum is 35.

The square root of 7512138341 is about 86672.5927903394. The cubic root of 7512138341 is about 1958.4892513677.

The spelling of 7512138341 in words is "seven billion, five hundred twelve million, one hundred thirty-eight thousand, three hundred forty-one".