134405241240 has 64 divisors (see below), whose sum is σ = 403328079360. Its totient is φ = 35831410560.

The previous prime is 134405241221. The next prime is 134405241317. The reversal of 134405241240 is 42142504431.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a junction number, because it is equal to n+sod(n) for n = 134405241198 and 134405241207.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 281487 + ... + 589953.

It is an arithmetic number, because the mean of its divisors is an integer number (6302001240).

Almost surely, 2^134405241240 is an apocalyptic number.

134405241240 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

134405241240 is an abundant number, since it is smaller than the sum of its proper divisors (268922838120).

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

134405241240 is a wasteful number, since it uses less digits than its factorization.

134405241240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 312112 (or 312108 counting only the distinct ones).

The product of its (nonzero) digits is 15360, while the sum is 30.

Adding to 134405241240 its reverse (42142504431), we get a palindrome (176547745671).

The spelling of 134405241240 in words is "one hundred thirty-four billion, four hundred five million, two hundred forty-one thousand, two hundred forty".