340135144020 has 144 divisors (see below), whose sum is σ = 1217171923968. Its totient is φ = 75237258240.

The previous prime is 340135143991. The next prime is 340135144061. The reversal of 340135144020 is 20441531043.

It is a happy number.

It is a super-3 number, since 3×340135144020³ (a number of 36 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 4314949 + ... + 4393068.

Almost surely, 2^340135144020 is an apocalyptic number.

340135144020 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

340135144020 is an abundant number, since it is smaller than the sum of its proper divisors (877036779948).

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

340135144020 is a wasteful number, since it uses less digits than its factorization.

340135144020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8708070 (or 8708065 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 27.

Adding to 340135144020 its reverse (20441531043), we get a palindrome (360576675063).

The spelling of 340135144020 in words is "three hundred forty billion, one hundred thirty-five million, one hundred forty-four thousand, twenty".