1375726527 has 18 divisors (see below), whose sum is σ = 2271526712. Its totient is φ = 785961216.

The previous prime is 1375726511. The next prime is 1375726529. The reversal of 1375726527 is 7256275731.

1375726527 is a `hidden beast` number, since 13 + 7 + 572 + 65 + 2 + 7 = 666.

It is not a de Polignac number, because 1375726527 - 2⁴ = 1375726511 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1375726529) by changing a digit.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 292063 + ... + 296735.

Almost surely, 2^1375726527 is an apocalyptic number.

1375726527 is a deficient number, since it is larger than the sum of its proper divisors (895800185).

1375726527 is an frugal number, since it uses more digits than its factorization.

1375726527 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9359 (or 4683 counting only the distinct ones).

The product of its digits is 617400, while the sum is 45.

The square root of 1375726527 is about 37090.7876298145. The cubic root of 1375726527 is about 1112.1858631129.

The spelling of 1375726527 in words is "one billion, three hundred seventy-five million, seven hundred twenty-six thousand, five hundred twenty-seven".