1375166153 has 4 divisors (see below), whose sum is σ = 1375262868. Its totient is φ = 1375069440.

The previous prime is 1375166141. The next prime is 1375166171. The reversal of 1375166153 is 3516615731.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 3516615731 = 1733 ⋅2029207.

It can be written as a sum of positive squares in 2 ways, for example, as 637663504 + 737502649 = 25252^2 + 27157^2 .

It is a cyclic number.

It is not a de Polignac number, because 1375166153 - 2¹⁸ = 1374904009 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1375166123) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 22376 + ... + 57017.

It is an arithmetic number, because the mean of its divisors is an integer number (343815717).

Almost surely, 2^1375166153 is an apocalyptic number.

It is an amenable number.

1375166153 is a deficient number, since it is larger than the sum of its proper divisors (96715).

1375166153 is an equidigital number, since it uses as much as digits as its factorization.

1375166153 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 96714.

The product of its digits is 56700, while the sum is 38.

The square root of 1375166153 is about 37083.2327743955. The cubic root of 1375166153 is about 1112.0348339005.

The spelling of 1375166153 in words is "one billion, three hundred seventy-five million, one hundred sixty-six thousand, one hundred fifty-three".