531934142 has 4 divisors (see below), whose sum is σ = 797901216. Its totient is φ = 265967070.

The previous prime is 531934141. The next prime is 531934157. The reversal of 531934142 is 241439135.

It is a semiprime because it is the product of two primes.

It is a junction number, because it is equal to n+sod(n) for n = 531934099 and 531934108.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (531934141) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 132983534 + ... + 132983537.

It is an arithmetic number, because the mean of its divisors is an integer number (199475304).

Almost surely, 2^531934142 is an apocalyptic number.

531934142 is a deficient number, since it is larger than the sum of its proper divisors (265967074).

531934142 is a wasteful number, since it uses less digits than its factorization.

531934142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 265967073.

The product of its digits is 12960, while the sum is 32.

The square root of 531934142 is about 23063.6974919461. The cubic root of 531934142 is about 810.2504646366.

The spelling of 531934142 in words is "five hundred thirty-one million, nine hundred thirty-four thousand, one hundred forty-two".