151212634 has 8 divisors (see below), whose sum is σ = 230663520. Its totient is φ = 74324796.

The previous prime is 151212629. The next prime is 151212643. The reversal of 151212634 is 436212151.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 151212599 and 151212608.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 640614 + ... + 640849.

It is an arithmetic number, because the mean of its divisors is an integer number (28832940).

Almost surely, 2^151212634 is an apocalyptic number.

151212634 is a deficient number, since it is larger than the sum of its proper divisors (79450886).

151212634 is a wasteful number, since it uses less digits than its factorization.

151212634 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1281524.

The product of its digits is 1440, while the sum is 25.

The square root of 151212634 is about 12296.8546384838. The cubic root of 151212634 is about 532.7572389645.

Adding to 151212634 its reverse (436212151), we get a palindrome (587424785).

The spelling of 151212634 in words is "one hundred fifty-one million, two hundred twelve thousand, six hundred thirty-four".