431794137 has 16 divisors (see below), whose sum is σ = 602763840. Its totient is φ = 274583232.

The previous prime is 431794087. The next prime is 431794147. The reversal of 431794137 is 731497134.

It is not a de Polignac number, because 431794137 - 2⁶ = 431794073 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 431794095 and 431794104.

It is not an unprimeable number, because it can be changed into a prime (431794147) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 22678 + ... + 37119.

It is an arithmetic number, because the mean of its divisors is an integer number (37672740).

Almost surely, 2^431794137 is an apocalyptic number.

It is an amenable number.

431794137 is a deficient number, since it is larger than the sum of its proper divisors (170969703).

431794137 is a wasteful number, since it uses less digits than its factorization.

431794137 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 59912.

The product of its digits is 63504, while the sum is 39.

The square root of 431794137 is about 20779.6568065981. The cubic root of 431794137 is about 755.8325316324.

The spelling of 431794137 in words is "four hundred thirty-one million, seven hundred ninety-four thousand, one hundred thirty-seven".