1013432194 has 4 divisors (see below), whose sum is σ = 1520148294. Its totient is φ = 506716096.

The previous prime is 1013432149. The next prime is 1013432207. The reversal of 1013432194 is 4912343101.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 4912343101 = 71 ⋅69187931.

It can be written as a sum of positive squares in only one way, i.e., 642369025 + 371063169 = 25345^2 + 19263^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 253358047 + ... + 253358050.

Almost surely, 2^1013432194 is an apocalyptic number.

1013432194 is a deficient number, since it is larger than the sum of its proper divisors (506716100).

1013432194 is an equidigital number, since it uses as much as digits as its factorization.

1013432194 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 506716099.

The product of its (nonzero) digits is 2592, while the sum is 28.

The square root of 1013432194 is about 31834.4497989207. The cubic root of 1013432194 is about 1004.4574991786.

Adding to 1013432194 its reverse (4912343101), we get a palindrome (5925775295).

The spelling of 1013432194 in words is "one billion, thirteen million, four hundred thirty-two thousand, one hundred ninety-four".