134929257940 has 24 divisors (see below), whose sum is σ = 284058070632. Its totient is φ = 53837107200.

The previous prime is 134929257919. The next prime is 134929257943. The reversal of 134929257940 is 49752929431.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 56106449424 + 78822808516 = 236868^2 + 280754^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (134929257943) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8404029 + ... + 8420068.

It is an arithmetic number, because the mean of its divisors is an integer number (11835752943).

Almost surely, 2^134929257940 is an apocalyptic number.

134929257940 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

134929257940 is an abundant number, since it is smaller than the sum of its proper divisors (149128812692).

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

134929257940 is a wasteful number, since it uses less digits than its factorization.

134929257940 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16824507 (or 16824505 counting only the distinct ones).

The product of its (nonzero) digits is 4898880, while the sum is 55.

The spelling of 134929257940 in words is "one hundred thirty-four billion, nine hundred twenty-nine million, two hundred fifty-seven thousand, nine hundred forty".