213040402142 has 8 divisors (see below), whose sum is σ = 319633095600. Its totient is φ = 106496036944.

The previous prime is 213040402123. The next prime is 213040402181. The reversal of 213040402142 is 241204040312.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12071042 + ... + 12088677.

It is an arithmetic number, because the mean of its divisors is an integer number (39954136950).

Almost surely, 2^213040402142 is an apocalyptic number.

213040402142 is a deficient number, since it is larger than the sum of its proper divisors (106592693458).

213040402142 is a wasteful number, since it uses less digits than its factorization.

213040402142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24164130.

The product of its (nonzero) digits is 1536, while the sum is 23.

Adding to 213040402142 its reverse (241204040312), we get a palindrome (454244442454).

The spelling of 213040402142 in words is "two hundred thirteen billion, forty million, four hundred two thousand, one hundred forty-two".