1371990574 has 4 divisors (see below), whose sum is σ = 2057985864. Its totient is φ = 685995286.

The previous prime is 1371990569. The next prime is 1371990617. The reversal of 1371990574 is 4750991731.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 342997642 + ... + 342997645.

It is an arithmetic number, because the mean of its divisors is an integer number (514496466).

Almost surely, 2^1371990574 is an apocalyptic number.

1371990574 is a deficient number, since it is larger than the sum of its proper divisors (685995290).

1371990574 is an equidigital number, since it uses as much as digits as its factorization.

1371990574 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 685995289.

The product of its (nonzero) digits is 238140, while the sum is 46.

The square root of 1371990574 is about 37040.3911156456. The cubic root of 1371990574 is about 1111.1781916708.

The spelling of 1371990574 in words is "one billion, three hundred seventy-one million, nine hundred ninety thousand, five hundred seventy-four".