1371993542 has 8 divisors (see below), whose sum is σ = 2058288600. Its totient is φ = 685897344.

The previous prime is 1371993527. The next prime is 1371993583. The reversal of 1371993542 is 2453991731.

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 = 1371993493 and 1371993502.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 31067 + ... + 60902.

It is an arithmetic number, because the mean of its divisors is an integer number (257286075).

Almost surely, 2^1371993542 is an apocalyptic number.

1371993542 is a deficient number, since it is larger than the sum of its proper divisors (686295058).

1371993542 is an equidigital number, since it uses as much as digits as its factorization.

1371993542 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 99430.

The product of its digits is 204120, while the sum is 44.

The square root of 1371993542 is about 37040.4311799957. The cubic root of 1371993542 is about 1111.1789929335.

The spelling of 1371993542 in words is "one billion, three hundred seventy-one million, nine hundred ninety-three thousand, five hundred forty-two".