137253534208 has 80 divisors (see below), whose sum is σ = 320705098560. Its totient is φ = 57454903296.

The previous prime is 137253534203. The next prime is 137253534263. The reversal of 137253534208 is 802435352731.

It is a Harshad number since it is a multiple of its sum of digits (43).

It is not an unprimeable number, because it can be changed into a prime (137253534203) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 291193 + ... + 599416.

It is an arithmetic number, because the mean of its divisors is an integer number (4008813732).

Almost surely, 2^137253534208 is an apocalyptic number.

It is an amenable number.

137253534208 is an abundant number, since it is smaller than the sum of its proper divisors (183451564352).

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

137253534208 is an frugal number, since it uses more digits than its factorization.

137253534208 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 890677 (or 890661 counting only the distinct ones).

The product of its (nonzero) digits is 604800, while the sum is 43.

Adding to 137253534208 its reverse (802435352731), we get a palindrome (939688886939).

The spelling of 137253534208 in words is "one hundred thirty-seven billion, two hundred fifty-three million, five hundred thirty-four thousand, two hundred eight".