1374657538 has 8 divisors (see below), whose sum is σ = 2064856320. Its totient is φ = 686372100.

The previous prime is 1374657523. The next prime is 1374657541. The reversal of 1374657538 is 8357564731.

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 = 1374657491 and 1374657500.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 476538 + ... + 479413.

It is an arithmetic number, because the mean of its divisors is an integer number (258107040).

Almost surely, 2^1374657538 is an apocalyptic number.

1374657538 is a deficient number, since it is larger than the sum of its proper divisors (690198782).

1374657538 is an equidigital number, since it uses as much as digits as its factorization.

1374657538 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 956672.

The product of its digits is 2116800, while the sum is 49.

The square root of 1374657538 is about 37076.3743912481. The cubic root of 1374657538 is about 1111.8977189926.

The spelling of 1374657538 in words is "one billion, three hundred seventy-four million, six hundred fifty-seven thousand, five hundred thirty-eight".