134742702440 has 64 divisors (see below), whose sum is σ = 323314286400. Its totient is φ = 50361689088.

The previous prime is 134742702377. The next prime is 134742702511. The reversal of 134742702440 is 44207247431.

It is a super-3 number, since 3×134742702440³ (a number of 34 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 134742702394 and 134742702403.

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, 618254 + ... + 807293.

It is an arithmetic number, because the mean of its divisors is an integer number (5051785725).

Almost surely, 2^134742702440 is an apocalyptic number.

134742702440 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

134742702440 is an abundant number, since it is smaller than the sum of its proper divisors (188571583960).

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

134742702440 is a wasteful number, since it uses less digits than its factorization.

134742702440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1425714 (or 1425710 counting only the distinct ones).

The product of its (nonzero) digits is 150528, while the sum is 38.

Adding to 134742702440 its reverse (44207247431), we get a palindrome (178949949871).

The spelling of 134742702440 in words is "one hundred thirty-four billion, seven hundred forty-two million, seven hundred two thousand, four hundred forty".