1340906901 has 8 divisors (see below), whose sum is σ = 1849526880. Its totient is φ = 863112432.

The previous prime is 1340906881. The next prime is 1340906999. The reversal of 1340906901 is 1096090431.

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

It is not a de Polignac number, because 1340906901 - 2⁵ = 1340906869 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1340907901) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7706275 + ... + 7706448.

It is an arithmetic number, because the mean of its divisors is an integer number (231190860).

Almost surely, 2^1340906901 is an apocalyptic number.

It is an amenable number.

1340906901 is a deficient number, since it is larger than the sum of its proper divisors (508619979).

1340906901 is a wasteful number, since it uses less digits than its factorization.

1340906901 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15412755.

The product of its (nonzero) digits is 5832, while the sum is 33.

The square root of 1340906901 is about 36618.3956639283. The cubic root of 1340906901 is about 1102.7224304275.

The spelling of 1340906901 in words is "one billion, three hundred forty million, nine hundred six thousand, nine hundred one".