1380926101 has 4 divisors (see below), whose sum is σ = 1381010400. Its totient is φ = 1380841804.

The previous prime is 1380926087. The next prime is 1380926111. The reversal of 1380926101 is 1016290831.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 1380926101 - 2¹¹ = 1380924053 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1380926111) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8761 + ... + 53278.

It is an arithmetic number, because the mean of its divisors is an integer number (345252600).

Almost surely, 2^1380926101 is an apocalyptic number.

It is an amenable number.

1380926101 is a deficient number, since it is larger than the sum of its proper divisors (84299).

1380926101 is an equidigital number, since it uses as much as digits as its factorization.

1380926101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 84298.

The product of its (nonzero) digits is 2592, while the sum is 31.

The square root of 1380926101 is about 37160.8140519015. The cubic root of 1380926101 is about 1113.5852745850.

The spelling of 1380926101 in words is "one billion, three hundred eighty million, nine hundred twenty-six thousand, one hundred one".