75146135 has 4 divisors (see below), whose sum is σ = 90175368. Its totient is φ = 60116904.

The previous prime is 75146131. The next prime is 75146147. The reversal of 75146135 is 53164157.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 75146135 - 2² = 75146131 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 (75146131) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7514609 + ... + 7514618.

It is an arithmetic number, because the mean of its divisors is an integer number (22543842).

Almost surely, 2^75146135 is an apocalyptic number.

75146135 is a deficient number, since it is larger than the sum of its proper divisors (15029233).

75146135 is a wasteful number, since it uses less digits than its factorization.

75146135 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15029232.

The product of its digits is 12600, while the sum is 32.

The square root of 75146135 is about 8668.6870401463. The cubic root of 75146135 is about 421.9900550205.

The spelling of 75146135 in words is "seventy-five million, one hundred forty-six thousand, one hundred thirty-five".