213475151380 has 24 divisors (see below), whose sum is σ = 451153224648. Its totient is φ = 84846173568.

The previous prime is 213475151353. The next prime is 213475151387. The reversal of 213475151380 is 83151574312.

It can be written as a sum of positive squares in 4 ways, for example, as 49795029904 + 163680121476 = 223148^2 + 404574^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (213475151387) 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, 33989719 + ... + 33995998.

It is an arithmetic number, because the mean of its divisors is an integer number (18798051027).

Almost surely, 2^213475151380 is an apocalyptic number.

213475151380 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

213475151380 is an abundant number, since it is smaller than the sum of its proper divisors (237678073268).

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

213475151380 is a wasteful number, since it uses less digits than its factorization.

213475151380 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 67985883 (or 67985881 counting only the distinct ones).

The product of its (nonzero) digits is 100800, while the sum is 40.

The spelling of 213475151380 in words is "two hundred thirteen billion, four hundred seventy-five million, one hundred fifty-one thousand, three hundred eighty".