137286503729 has 6 divisors (see below), whose sum is σ = 143515003506. Its totient is φ = 131317524800.

The previous prime is 137286503699. The next prime is 137286503777. The reversal of 137286503729 is 927305682731.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 81654205504 + 55632298225 = 285752^2 + 235865^2 .

It is a de Polignac number, because none of the positive numbers 2^k-137286503729 is a prime.

It is a super-2 number, since 2×137286503729² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (137286503129) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 129759872 + ... + 129760929.

It is an arithmetic number, because the mean of its divisors is an integer number (23919167251).

Almost surely, 2^137286503729 is an apocalyptic number.

It is an amenable number.

137286503729 is a deficient number, since it is larger than the sum of its proper divisors (6228499777).

137286503729 is an equidigital number, since it uses as much as digits as its factorization.

137286503729 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 259520847 (or 259520824 counting only the distinct ones).

The product of its (nonzero) digits is 3810240, while the sum is 53.

The spelling of 137286503729 in words is "one hundred thirty-seven billion, two hundred eighty-six million, five hundred three thousand, seven hundred twenty-nine".