156842436135 has 64 divisors (see below), whose sum is σ = 331274271744. Its totient is φ = 61347072000.

The previous prime is 156842436077. The next prime is 156842436173. The reversal of 156842436135 is 531634248651.

It is not a de Polignac number, because 156842436135 - 2⁹ = 156842435623 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 3974316 + ... + 4013585.

It is an arithmetic number, because the mean of its divisors is an integer number (5176160496).

Almost surely, 2^156842436135 is an apocalyptic number.

156842436135 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

156842436135 is an abundant number, since it is smaller than the sum of its proper divisors (174431835609).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

156842436135 is a wasteful number, since it uses less digits than its factorization.

156842436135 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7987944.

The product of its digits is 2073600, while the sum is 48.

The spelling of 156842436135 in words is "one hundred fifty-six billion, eight hundred forty-two million, four hundred thirty-six thousand, one hundred thirty-five".