87934138 has 8 divisors (see below), whose sum is σ = 132786900. Its totient is φ = 43671840.

The previous prime is 87934127. The next prime is 87934193. The reversal of 87934138 is 83143978.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 87553449 + 380689 = 9357^2 + 617^2 .

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 = 87934094 and 87934103.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 147243 + ... + 147838.

Almost surely, 2^87934138 is an apocalyptic number.

87934138 is a deficient number, since it is larger than the sum of its proper divisors (44852762).

87934138 is a wasteful number, since it uses less digits than its factorization.

87934138 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 295232.

The product of its digits is 145152, while the sum is 43.

The square root of 87934138 is about 9377.3204061715. The cubic root of 87934138 is about 444.6850239212.

The spelling of 87934138 in words is "eighty-seven million, nine hundred thirty-four thousand, one hundred thirty-eight".