213707154860 has 24 divisors (see below), whose sum is σ = 448838950560. Its totient is φ = 85472590464.

The previous prime is 213707154839. The next prime is 213707154889. The reversal of 213707154860 is 68451707312.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 470240 + ... + 805319.

It is an arithmetic number, because the mean of its divisors is an integer number (18701622940).

Almost surely, 2^213707154860 is an apocalyptic number.

213707154860 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

213707154860 is an abundant number, since it is smaller than the sum of its proper divisors (235131795700).

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

213707154860 is a wasteful number, since it uses less digits than its factorization.

213707154860 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1283945 (or 1283943 counting only the distinct ones).

The product of its (nonzero) digits is 282240, while the sum is 44.

The spelling of 213707154860 in words is "two hundred thirteen billion, seven hundred seven million, one hundred fifty-four thousand, eight hundred sixty".