1406141640634 has 8 divisors (see below), whose sum is σ = 2109235483188. Its totient is φ = 703063146240.

The previous prime is 1406141640583. The next prime is 1406141640713. The reversal of 1406141640634 is 4360461416041.

It can be written as a sum of positive squares in 2 ways, for example, as 1297309610025 + 108832030609 = 1138995^2 + 329897^2 .

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, 3605197 + ... + 3976144.

Almost surely, 2^{1406141640634} is an apocalyptic number.

1406141640634 is a deficient number, since it is larger than the sum of its proper divisors (703093842554).

1406141640634 is an equidigital number, since it uses as much as digits as its factorization.

1406141640634 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7674080.

The product of its (nonzero) digits is 165888, while the sum is 40.

The spelling of 1406141640634 in words is "one trillion, four hundred six billion, one hundred forty-one million, six hundred forty thousand, six hundred thirty-four".