987158135 has 8 divisors (see below), whose sum is σ = 1190604096. Its totient is φ = 785716960.

The previous prime is 987158131. The next prime is 987158147. The reversal of 987158135 is 531851789.

It is a happy number.

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

It is not a de Polignac number, because 987158135 - 2² = 987158131 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 987158135.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (987158131) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 500111 + ... + 502080.

It is an arithmetic number, because the mean of its divisors is an integer number (148825512).

Almost surely, 2^987158135 is an apocalyptic number.

987158135 is a deficient number, since it is larger than the sum of its proper divisors (203445961).

987158135 is a wasteful number, since it uses less digits than its factorization.

987158135 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1002393.

The product of its digits is 302400, while the sum is 47.

The square root of 987158135 is about 31419.0727902655. The cubic root of 987158135 is about 995.7009227534.

The spelling of 987158135 in words is "nine hundred eighty-seven million, one hundred fifty-eight thousand, one hundred thirty-five".