626445136135142 has 8 divisors (see below), whose sum is σ = 980522821776816. Its totient is φ = 299604195542872.

The previous prime is 626445136135127. The next prime is 626445136135171. The reversal of 626445136135142 is 241531631544626.

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, 6809186262293 + ... + 6809186262384.

It is an arithmetic number, because the mean of its divisors is an integer number (122565352722102).

Almost surely, 2^{626445136135142} is an apocalyptic number.

626445136135142 is a deficient number, since it is larger than the sum of its proper divisors (354077685641674).

626445136135142 is a wasteful number, since it uses less digits than its factorization.

626445136135142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13618372524702.

The product of its digits is 12441600, while the sum is 53.

Adding to 626445136135142 its reverse (241531631544626), we get a palindrome (867976767679768).

The spelling of 626445136135142 in words is "six hundred twenty-six trillion, four hundred forty-five billion, one hundred thirty-six million, one hundred thirty-five thousand, one hundred forty-two".