1354290491 has 4 divisors (see below), whose sum is σ = 1357005000. Its totient is φ = 1351575984.

The previous prime is 1354290407. The next prime is 1354290529. The reversal of 1354290491 is 1940924531.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1354290491 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1354490491) 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, 1356506 + ... + 1357503.

It is an arithmetic number, because the mean of its divisors is an integer number (339251250).

Almost surely, 2^1354290491 is an apocalyptic number.

1354290491 is a deficient number, since it is larger than the sum of its proper divisors (2714509).

1354290491 is an equidigital number, since it uses as much as digits as its factorization.

1354290491 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2714508.

The product of its (nonzero) digits is 38880, while the sum is 38.

The square root of 1354290491 is about 36800.6860126275. The cubic root of 1354290491 is about 1106.3790487478.

The spelling of 1354290491 in words is "one billion, three hundred fifty-four million, two hundred ninety thousand, four hundred ninety-one".