1406730266 has 4 divisors (see below), whose sum is σ = 2110095402. Its totient is φ = 703365132.

The previous prime is 1406730217. The next prime is 1406730319. The reversal of 1406730266 is 6620376041.

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

It can be written as a sum of positive squares in only one way, i.e., 904746241 + 501984025 = 30079^2 + 22405^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 351682565 + ... + 351682568.

Almost surely, 2^1406730266 is an apocalyptic number.

1406730266 is a deficient number, since it is larger than the sum of its proper divisors (703365136).

1406730266 is an equidigital number, since it uses as much as digits as its factorization.

1406730266 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 703365135.

The product of its (nonzero) digits is 36288, while the sum is 35.

The square root of 1406730266 is about 37506.4030000212. The cubic root of 1406730266 is about 1120.4787138312.

The spelling of 1406730266 in words is "one billion, four hundred six million, seven hundred thirty thousand, two hundred sixty-six".