312132134 has 4 divisors (see below), whose sum is σ = 468198204. Its totient is φ = 156066066.

The previous prime is 312132101. The next prime is 312132143. The reversal of 312132134 is 431231213.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 78033032 + ... + 78033035.

It is an arithmetic number, because the mean of its divisors is an integer number (117049551).

Almost surely, 2^312132134 is an apocalyptic number.

312132134 is a deficient number, since it is larger than the sum of its proper divisors (156066070).

312132134 is a wasteful number, since it uses less digits than its factorization.

312132134 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 156066069.

The product of its digits is 432, while the sum is 20.

The square root of 312132134 is about 17667.2616440692. The cubic root of 312132134 is about 678.3380217419.

Adding to 312132134 its reverse (431231213), we get a palindrome (743363347).

The spelling of 312132134 in words is "three hundred twelve million, one hundred thirty-two thousand, one hundred thirty-four".