1375726275 has 288 divisors, whose sum is σ = 3392782848. Its totient is φ = 534988800.

The previous prime is 1375726249. The next prime is 1375726279. The reversal of 1375726275 is 5726275731.

1375726275 is a `hidden beast` number, since 1 + 3 + 7 + 572 + 6 + 2 + 75 = 666.

It is not a de Polignac number, because 1375726275 - 2⁵ = 1375726243 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a self number, because there is not a number n which added to its sum of digits gives 1375726275.

It is not an unprimeable number, because it can be changed into a prime (1375726279) by changing a digit.

It is a polite number, since it can be written in 287 ways as a sum of consecutive naturals, for example, 7952089 + ... + 7952261.

It is an arithmetic number, because the mean of its divisors is an integer number (11780496).

Almost surely, 2^1375726275 is an apocalyptic number.

1375726275 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

1375726275 is an abundant number, since it is smaller than the sum of its proper divisors (2017056573).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1375726275 is a wasteful number, since it uses less digits than its factorization.

1375726275 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 233 (or 216 counting only the distinct ones).

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

The square root of 1375726275 is about 37090.7842327444. The cubic root of 1375726275 is about 1112.1857952043.

The spelling of 1375726275 in words is "one billion, three hundred seventy-five million, seven hundred twenty-six thousand, two hundred seventy-five".