137502510052 has 6 divisors (see below), whose sum is σ = 240629392598. Its totient is φ = 68751255024.

The previous prime is 137502510043. The next prime is 137502510097. The reversal of 137502510052 is 250015205731.

It can be written as a sum of positive squares in only one way, i.e., 69472307776 + 68030202276 = 263576^2 + 260826^2 .

It is a super-2 number, since 2×137502510052² (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 137502509996 and 137502510023.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 17187813753 + ... + 17187813760.

Almost surely, 2^137502510052 is an apocalyptic number.

It is an amenable number.

137502510052 is a deficient number, since it is larger than the sum of its proper divisors (103126882546).

137502510052 is a wasteful number, since it uses less digits than its factorization.

137502510052 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34375627517 (or 34375627515 counting only the distinct ones).

The product of its (nonzero) digits is 10500, while the sum is 31.

Adding to 137502510052 its reverse (250015205731), we get a palindrome (387517715783).

The spelling of 137502510052 in words is "one hundred thirty-seven billion, five hundred two million, five hundred ten thousand, fifty-two".