1375465373 has 4 divisors (see below), whose sum is σ = 1376429340. Its totient is φ = 1374501408.

The previous prime is 1375465367. The next prime is 1375465411. The reversal of 1375465373 is 3735645731.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 3735645731 = 31 ⋅120504701.

It can be written as a sum of positive squares in 2 ways, for example, as 778298404 + 597166969 = 27898^2 + 24437^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1375465373 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1375465073) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 479840 + ... + 482697.

It is an arithmetic number, because the mean of its divisors is an integer number (344107335).

Almost surely, 2^1375465373 is an apocalyptic number.

It is an amenable number.

1375465373 is a deficient number, since it is larger than the sum of its proper divisors (963967).

1375465373 is an equidigital number, since it uses as much as digits as its factorization.

1375465373 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 963966.

The product of its digits is 793800, while the sum is 44.

The square root of 1375465373 is about 37087.2669928643. The cubic root of 1375465373 is about 1112.1154832901.

The spelling of 1375465373 in words is "one billion, three hundred seventy-five million, four hundred sixty-five thousand, three hundred seventy-three".