1379187901 has 8 divisors (see below), whose sum is σ = 1697462144. Its totient is φ = 1091225520.

The previous prime is 1379187899. The next prime is 1379187919. The reversal of 1379187901 is 1097819731.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 1379187901 - 2¹ = 1379187899 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1379187701) 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 7 ways as a sum of consecutive naturals, for example, 7577865 + ... + 7578046.

It is an arithmetic number, because the mean of its divisors is an integer number (212182768).

Almost surely, 2^1379187901 is an apocalyptic number.

It is an amenable number.

1379187901 is a deficient number, since it is larger than the sum of its proper divisors (318274243).

1379187901 is a wasteful number, since it uses less digits than its factorization.

1379187901 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15155931.

The product of its (nonzero) digits is 95256, while the sum is 46.

The square root of 1379187901 is about 37137.4191483469. The cubic root of 1379187901 is about 1113.1178475369.

The spelling of 1379187901 in words is "one billion, three hundred seventy-nine million, one hundred eighty-seven thousand, nine hundred one".