213402142132 has 6 divisors (see below), whose sum is σ = 373453748738. Its totient is φ = 106701071064.

The previous prime is 213402142127. The next prime is 213402142157. The reversal of 213402142132 is 231241204312.

213402142132 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 137222830096 + 76179312036 = 370436^2 + 276006^2 .

It is a junction number, because it is equal to n+sod(n) for n = 213402142097 and 213402142106.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26675267763 + ... + 26675267770.

Almost surely, 2^213402142132 is an apocalyptic number.

It is an amenable number.

213402142132 is a deficient number, since it is larger than the sum of its proper divisors (160051606606).

213402142132 is a wasteful number, since it uses less digits than its factorization.

213402142132 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 53350535537 (or 53350535535 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 25.

Adding to 213402142132 its reverse (231241204312), we get a palindrome (444643346444).

The spelling of 213402142132 in words is "two hundred thirteen billion, four hundred two million, one hundred forty-two thousand, one hundred thirty-two".