102540514036 has 6 divisors (see below), whose sum is σ = 179445899570. Its totient is φ = 51270257016.

The previous prime is 102540514003. The next prime is 102540514067. The reversal of 102540514036 is 630415045201.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 87462147600 + 15078366436 = 295740^2 + 122794^2 .

It is a super-2 number, since 2×102540514036² (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 102540513989 and 102540514007.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12817564251 + ... + 12817564258.

Almost surely, 2^102540514036 is an apocalyptic number.

It is an amenable number.

102540514036 is a deficient number, since it is larger than the sum of its proper divisors (76905385534).

102540514036 is a wasteful number, since it uses less digits than its factorization.

102540514036 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25635128513 (or 25635128511 counting only the distinct ones).

The product of its (nonzero) digits is 14400, while the sum is 31.

Adding to 102540514036 its reverse (630415045201), we get a palindrome (732955559237).

The spelling of 102540514036 in words is "one hundred two billion, five hundred forty million, five hundred fourteen thousand, thirty-six".