135197554744 has 64 divisors (see below), whose sum is σ = 305020800000. Its totient is φ = 54880737408.

The previous prime is 135197554741. The next prime is 135197554747. The reversal of 135197554744 is 447455791531.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (135197554741) and next prime (135197554747).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (135197554741) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6617457 + ... + 6637855.

It is an arithmetic number, because the mean of its divisors is an integer number (4765950000).

Almost surely, 2^135197554744 is an apocalyptic number.

135197554744 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

135197554744 is an abundant number, since it is smaller than the sum of its proper divisors (169823245256).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

135197554744 is a wasteful number, since it uses less digits than its factorization.

135197554744 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26660 (or 26656 counting only the distinct ones).

The product of its digits is 10584000, while the sum is 55.

The spelling of 135197554744 in words is "one hundred thirty-five billion, one hundred ninety-seven million, five hundred fifty-four thousand, seven hundred forty-four".