1375765238 has 8 divisors (see below), whose sum is σ = 2084080320. Its totient is φ = 681071800.

The previous prime is 1375765231. The next prime is 1375765241. The reversal of 1375765238 is 8325675731.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 1375765192 and 1375765201.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1375765231) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3405158 + ... + 3405561.

It is an arithmetic number, because the mean of its divisors is an integer number (260510040).

Almost surely, 2^1375765238 is an apocalyptic number.

1375765238 is a deficient number, since it is larger than the sum of its proper divisors (708315082).

1375765238 is a wasteful number, since it uses less digits than its factorization.

1375765238 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6810822.

The product of its digits is 1058400, while the sum is 47.

The square root of 1375765238 is about 37091.3094673132. The cubic root of 1375765238 is about 1112.1962947944.

The spelling of 1375765238 in words is "one billion, three hundred seventy-five million, seven hundred sixty-five thousand, two hundred thirty-eight".