2146291194 has 16 divisors (see below), whose sum is σ = 4302365760. Its totient is φ = 713799840.

The previous prime is 2146291187. The next prime is 2146291201. The reversal of 2146291194 is 4911926412.

It is an interprime number because it is at equal distance from previous prime (2146291187) and next prime (2146291201).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 404787 + ... + 410054.

It is an arithmetic number, because the mean of its divisors is an integer number (268897860).

Almost surely, 2^2146291194 is an apocalyptic number.

2146291194 is an abundant number, since it is smaller than the sum of its proper divisors (2156074566).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2146291194 is a wasteful number, since it uses less digits than its factorization.

2146291194 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 815285.

The product of its digits is 31104, while the sum is 39.

The square root of 2146291194 is about 46328.0821316834. The cubic root of 2146291194 is about 1289.9203111642.

The spelling of 2146291194 in words is "two billion, one hundred forty-six million, two hundred ninety-one thousand, one hundred ninety-four".