436940133087 has 4 divisors (see below), whose sum is σ = 582586844120. Its totient is φ = 291293422056.

The previous prime is 436940133079. The next prime is 436940133127. The reversal of 436940133087 is 780331049634.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 436940133087 - 2³ = 436940133079 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (436940133037) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 72823355512 + ... + 72823355517.

It is an arithmetic number, because the mean of its divisors is an integer number (145646711030).

Almost surely, 2^436940133087 is an apocalyptic number.

436940133087 is a deficient number, since it is larger than the sum of its proper divisors (145646711033).

436940133087 is a wasteful number, since it uses less digits than its factorization.

436940133087 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 145646711032.

The product of its (nonzero) digits is 1306368, while the sum is 48.

The spelling of 436940133087 in words is "four hundred thirty-six billion, nine hundred forty million, one hundred thirty-three thousand, eighty-seven".