1371690393 has 16 divisors (see below), whose sum is σ = 1873072512. Its totient is φ = 892640000.

The previous prime is 1371690391. The next prime is 1371690413. The reversal of 1371690393 is 3930961731.

It is a cyclic number.

It is not a de Polignac number, because 1371690393 - 2¹ = 1371690391 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1371690391) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 10368 + ... + 53393.

It is an arithmetic number, because the mean of its divisors is an integer number (117067032).

Almost surely, 2^1371690393 is an apocalyptic number.

It is an amenable number.

1371690393 is a deficient number, since it is larger than the sum of its proper divisors (501382119).

1371690393 is a wasteful number, since it uses less digits than its factorization.

1371690393 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 63936.

The product of its (nonzero) digits is 91854, while the sum is 42.

The square root of 1371690393 is about 37036.3388174371. The cubic root of 1371690393 is about 1111.0971466752.

The spelling of 1371690393 in words is "one billion, three hundred seventy-one million, six hundred ninety thousand, three hundred ninety-three".