135446340 has 24 divisors (see below), whose sum is σ = 379249920. Its totient is φ = 36119008.

The previous prime is 135446309. The next prime is 135446357. The reversal of 135446340 is 43644531.

It is a super-2 number, since 2×135446340² = 36691422038791200, which contains 22 as substring.

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 = 135446298 and 135446307.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1128660 + ... + 1128779.

It is an arithmetic number, because the mean of its divisors is an integer number (15802080).

Almost surely, 2^135446340 is an apocalyptic number.

135446340 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

135446340 is an abundant number, since it is smaller than the sum of its proper divisors (243803580).

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

135446340 is a wasteful number, since it uses less digits than its factorization.

135446340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2257451 (or 2257449 counting only the distinct ones).

The product of its (nonzero) digits is 17280, while the sum is 30.

The square root of 135446340 is about 11638.1416042253. The cubic root of 135446340 is about 513.5575181281.

The spelling of 135446340 in words is "one hundred thirty-five million, four hundred forty-six thousand, three hundred forty".