250431420134 has 32 divisors (see below), whose sum is σ = 433679028480. Its totient is φ = 106237394208.

The previous prime is 250431420067. The next prime is 250431420167. The reversal of 250431420134 is 431024134052.

It is a junction number, because it is equal to n+sod(n) for n = 250431420097 and 250431420106.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1773029 + ... + 1909055.

It is an arithmetic number, because the mean of its divisors is an integer number (13552469640).

Almost surely, 2^250431420134 is an apocalyptic number.

250431420134 is a deficient number, since it is larger than the sum of its proper divisors (183247608346).

250431420134 is a wasteful number, since it uses less digits than its factorization.

250431420134 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 137372.

The product of its (nonzero) digits is 11520, while the sum is 29.

Adding to 250431420134 its reverse (431024134052), we get a palindrome (681455554186).

The spelling of 250431420134 in words is "two hundred fifty billion, four hundred thirty-one million, four hundred twenty thousand, one hundred thirty-four".