213935002140 has 24 divisors (see below), whose sum is σ = 599018006160. Its totient is φ = 57049333888.

The previous prime is 213935002133. The next prime is 213935002153. The reversal of 213935002140 is 41200539312.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a junction number, because it is equal to n+sod(n) for n = 213935002098 and 213935002107.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1782791625 + ... + 1782791744.

It is an arithmetic number, because the mean of its divisors is an integer number (24959083590).

Almost surely, 2^213935002140 is an apocalyptic number.

213935002140 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

213935002140 is an abundant number, since it is smaller than the sum of its proper divisors (385083004020).

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

213935002140 is a wasteful number, since it uses less digits than its factorization.

213935002140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3565583381 (or 3565583379 counting only the distinct ones).

The product of its (nonzero) digits is 6480, while the sum is 30.

The spelling of 213935002140 in words is "two hundred thirteen billion, nine hundred thirty-five million, two thousand, one hundred forty".