1425204664136 has 16 divisors (see below), whose sum is σ = 2915191358640. Its totient is φ = 647820301840.

The previous prime is 1425204664097. The next prime is 1425204664141. The reversal of 1425204664136 is 6314664025241.

It is a Harshad number since it is a multiple of its sum of digits (44).

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, 8097753686 + ... + 8097753861.

It is an arithmetic number, because the mean of its divisors is an integer number (182199459915).

Almost surely, 2^{1425204664136} is an apocalyptic number.

It is an amenable number.

1425204664136 is an abundant number, since it is smaller than the sum of its proper divisors (1489986694504).

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

1425204664136 is a wasteful number, since it uses less digits than its factorization.

1425204664136 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16195507564 (or 16195507560 counting only the distinct ones).

The product of its (nonzero) digits is 829440, while the sum is 44.

Adding to 1425204664136 its reverse (6314664025241), we get a palindrome (7739868689377).

The spelling of 1425204664136 in words is "one trillion, four hundred twenty-five billion, two hundred four million, six hundred sixty-four thousand, one hundred thirty-six".