135954942500 has 60 divisors (see below), whose sum is σ = 320176057740. Its totient is φ = 50198736000.

The previous prime is 135954942493. The next prime is 135954942509. The reversal of 135954942500 is 5249459531.

It can be written as a sum of positive squares in 10 ways, for example, as 118936696384 + 17018246116 = 344872^2 + 130454^2 .

It is not an unprimeable number, because it can be changed into a prime (135954942509) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 2059115 + ... + 2124114.

It is an arithmetic number, because the mean of its divisors is an integer number (5336267629).

Almost surely, 2^135954942500 is an apocalyptic number.

135954942500 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

135954942500 is an abundant number, since it is smaller than the sum of its proper divisors (184221115240).

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

135954942500 is a wasteful number, since it uses less digits than its factorization.

135954942500 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4183266 (or 4183249 counting only the distinct ones).

The product of its (nonzero) digits is 972000, while the sum is 47.

The spelling of 135954942500 in words is "one hundred thirty-five billion, nine hundred fifty-four million, nine hundred forty-two thousand, five hundred".