135497353950 has 144 divisors (see below), whose sum is σ = 430387944480. Its totient is φ = 29902844160.

The previous prime is 135497353949. The next prime is 135497353987. The reversal of 135497353950 is 59353794531.

135497353950 is a `hidden beast` number, since 1 + 3 + 54 + 9 + 7 + 3 + 539 + 50 = 666.

135497353950 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 650289 + ... + 832988.

It is an arithmetic number, because the mean of its divisors is an integer number (2988805170).

Almost surely, 2^135497353950 is an apocalyptic number.

135497353950 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

135497353950 is an abundant number, since it is smaller than the sum of its proper divisors (294890590530).

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

135497353950 is a wasteful number, since it uses less digits than its factorization.

135497353950 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1483331 (or 1483323 counting only the distinct ones).

The product of its (nonzero) digits is 7654500, while the sum is 54.

The spelling of 135497353950 in words is "one hundred thirty-five billion, four hundred ninety-seven million, three hundred fifty-three thousand, nine hundred fifty".