1375404497 has 8 divisors (see below), whose sum is σ = 1421317632. Its totient is φ = 1329588000.

The previous prime is 1375404479. The next prime is 1375404517. The reversal of 1375404497 is 7944045731.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 1375404497 - 2⁸ = 1375404241 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1375404427) 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, 5372 + ... + 52722.

It is an arithmetic number, because the mean of its divisors is an integer number (177664704).

Almost surely, 2^1375404497 is an apocalyptic number.

It is an amenable number.

1375404497 is a deficient number, since it is larger than the sum of its proper divisors (45913135).

1375404497 is an equidigital number, since it uses as much as digits as its factorization.

1375404497 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 48319.

The product of its (nonzero) digits is 423360, while the sum is 44.

The square root of 1375404497 is about 37086.4462708413. The cubic root of 1375404497 is about 1112.0990762029.

The spelling of 1375404497 in words is "one billion, three hundred seventy-five million, four hundred four thousand, four hundred ninety-seven".