136551511042 has 24 divisors (see below), whose sum is σ = 218080716480. Its totient is φ = 64113038400.

The previous prime is 136551511009. The next prime is 136551511067. The reversal of 136551511042 is 240115155631.

It is a Harshad number since it is a multiple of its sum of digits (34).

It is a junction number, because it is equal to n+sod(n) for n = 136551510989 and 136551511007.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 15334 + ... + 522817.

It is an arithmetic number, because the mean of its divisors is an integer number (9086696520).

Almost surely, 2^136551511042 is an apocalyptic number.

136551511042 is a deficient number, since it is larger than the sum of its proper divisors (81529205438).

136551511042 is a wasteful number, since it uses less digits than its factorization.

136551511042 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 538626 (or 538609 counting only the distinct ones).

The product of its (nonzero) digits is 18000, while the sum is 34.

Adding to 136551511042 its reverse (240115155631), we get a palindrome (376666666673).

The spelling of 136551511042 in words is "one hundred thirty-six billion, five hundred fifty-one million, five hundred eleven thousand, forty-two".