1340606090 has 8 divisors (see below), whose sum is σ = 2413090980. Its totient is φ = 536242432.

The previous prime is 1340606053. The next prime is 1340606107. The reversal of 1340606090 is 906060431.

It can be written as a sum of positive squares in 2 ways, for example, as 1131716881 + 208889209 = 33641^2 + 14453^2 .

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

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 67030295 + ... + 67030314.

Almost surely, 2^1340606090 is an apocalyptic number.

1340606090 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1340606090 is a deficient number, since it is larger than the sum of its proper divisors (1072484890).

1340606090 is a wasteful number, since it uses less digits than its factorization.

1340606090 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 134060616.

The product of its (nonzero) digits is 3888, while the sum is 29.

The square root of 1340606090 is about 36614.2880580792. The cubic root of 1340606090 is about 1102.6399648851.

The spelling of 1340606090 in words is "one billion, three hundred forty million, six hundred six thousand, ninety".