1387374011 has 4 divisors (see below), whose sum is σ = 1395885672. Its totient is φ = 1378862352.

The previous prime is 1387373993. The next prime is 1387374013. The reversal of 1387374011 is 1104737831.

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

It is a cyclic number.

It is not a de Polignac number, because 1387374011 - 2⁶ = 1387373947 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1387374013) by changing a digit.

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, 4255586 + ... + 4255911.

It is an arithmetic number, because the mean of its divisors is an integer number (348971418).

Almost surely, 2^1387374011 is an apocalyptic number.

1387374011 is a deficient number, since it is larger than the sum of its proper divisors (8511661).

1387374011 is an equidigital number, since it uses as much as digits as its factorization.

1387374011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8511660.

The product of its (nonzero) digits is 14112, while the sum is 35.

The square root of 1387374011 is about 37247.4698603811. The cubic root of 1387374011 is about 1115.3157922310.

The spelling of 1387374011 in words is "one billion, three hundred eighty-seven million, three hundred seventy-four thousand, eleven".