513154211342 has 4 divisors (see below), whose sum is σ = 769731317016. Its totient is φ = 256577105670.

The previous prime is 513154211299. The next prime is 513154211369. The reversal of 513154211342 is 243112451315.

It is a semiprime because it is the product of two primes.

It is a junction number, because it is equal to n+sod(n) for n = 513154211299 and 513154211308.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 128288552834 + ... + 128288552837.

It is an arithmetic number, because the mean of its divisors is an integer number (192432829254).

Almost surely, 2^513154211342 is an apocalyptic number.

513154211342 is a deficient number, since it is larger than the sum of its proper divisors (256577105674).

513154211342 is a wasteful number, since it uses less digits than its factorization.

513154211342 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 256577105673.

The product of its digits is 14400, while the sum is 32.

Adding to 513154211342 its reverse (243112451315), we get a palindrome (756266662657).

The spelling of 513154211342 in words is "five hundred thirteen billion, one hundred fifty-four million, two hundred eleven thousand, three hundred forty-two".