1510000020136 has 8 divisors (see below), whose sum is σ = 2831250037770. Its totient is φ = 755000010064.

The previous prime is 1510000020121. The next prime is 1510000020143. The reversal of 1510000020136 is 6310200000151.

It can be written as a sum of positive squares in only one way, i.e., 1488873397636 + 21126622500 = 1220194^2 + 145350^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 94375001251 + ... + 94375001266.

Almost surely, 2^{1510000020136} is an apocalyptic number.

It is an amenable number.

1510000020136 is a deficient number, since it is larger than the sum of its proper divisors (1321250017634).

1510000020136 is a wasteful number, since it uses less digits than its factorization.

1510000020136 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 188750002523 (or 188750002519 counting only the distinct ones).

The product of its (nonzero) digits is 180, while the sum is 19.

Adding to 1510000020136 its reverse (6310200000151), we get a palindrome (7820200020287).

The spelling of 1510000020136 in words is "one trillion, five hundred ten billion, twenty thousand, one hundred thirty-six".