1975135027 has 4 divisors (see below), whose sum is σ = 1975451896. Its totient is φ = 1974818160.

The previous prime is 1975134989. The next prime is 1975135031. The reversal of 1975135027 is 7205315791.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1975135027 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1975135087) 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, 148893 + ... + 161614.

It is an arithmetic number, because the mean of its divisors is an integer number (493862974).

Almost surely, 2^1975135027 is an apocalyptic number.

1975135027 is a deficient number, since it is larger than the sum of its proper divisors (316869).

1975135027 is an equidigital number, since it uses as much as digits as its factorization.

1975135027 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 316868.

The product of its (nonzero) digits is 66150, while the sum is 40.

The square root of 1975135027 is about 44442.4912330531. The cubic root of 1975135027 is about 1254.6779440596.

The spelling of 1975135027 in words is "one billion, nine hundred seventy-five million, one hundred thirty-five thousand, twenty-seven".