1375748475731 has 8 divisors (see below), whose sum is σ = 1573909920000. Its totient is φ = 1177993518408.

The previous prime is 1375748475727. The next prime is 1375748475733.

It is a happy number.

1375748475731 is nontrivially palindromic in base 10.

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

It is not a de Polignac number, because 1375748475731 - 2² = 1375748475727 is a prime.

It is a super-2 number, since 2×1375748475731² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1375748475733) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 101614481 + ... + 101628018.

It is an arithmetic number, because the mean of its divisors is an integer number (196738740000).

Almost surely, 2^{1375748475731} is an apocalyptic number.

1375748475731 is a deficient number, since it is larger than the sum of its proper divisors (198161444269).

1375748475731 is an equidigital number, since it uses as much as digits as its factorization.

1375748475731 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 203243473.

The product of its digits is 69148800, while the sum is 62.

The spelling of 1375748475731 in words is "one trillion, three hundred seventy-five billion, seven hundred forty-eight million, four hundred seventy-five thousand, seven hundred thirty-one".