151212134 has 4 divisors (see below), whose sum is σ = 226818204. Its totient is φ = 75606066.

The previous prime is 151212091. The next prime is 151212151. The reversal of 151212134 is 431212151.

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, 37803032 + ... + 37803035.

It is an arithmetic number, because the mean of its divisors is an integer number (56704551).

Almost surely, 2^151212134 is an apocalyptic number.

151212134 is a deficient number, since it is larger than the sum of its proper divisors (75606070).

151212134 is an equidigital number, since it uses as much as digits as its factorization.

151212134 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 75606069.

The product of its digits is 240, while the sum is 20.

The square root of 151212134 is about 12296.8343080648. The cubic root of 151212134 is about 532.7566517585.

Adding to 151212134 its reverse (431212151), we get a palindrome (582424285).

The spelling of 151212134 in words is "one hundred fifty-one million, two hundred twelve thousand, one hundred thirty-four".