137218269440 has 72 divisors (see below), whose sum is σ = 375635037120. Its totient is φ = 47046260736.

The previous prime is 137218269407. The next prime is 137218269443. The reversal of 137218269440 is 44962812731.

It is not an unprimeable number, because it can be changed into a prime (137218269443) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7648310 + ... + 7666229.

Almost surely, 2^137218269440 is an apocalyptic number.

137218269440 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

137218269440 is an abundant number, since it is smaller than the sum of its proper divisors (238416767680).

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

137218269440 is an equidigital number, since it uses as much as digits as its factorization.

137218269440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15314567 (or 15314553 counting only the distinct ones).

The product of its (nonzero) digits is 580608, while the sum is 47.

The spelling of 137218269440 in words is "one hundred thirty-seven billion, two hundred eighteen million, two hundred sixty-nine thousand, four hundred forty".