135214769540 has 48 divisors (see below), whose sum is σ = 293952682800. Its totient is φ = 52183498752.

The previous prime is 135214769531. The next prime is 135214769549. The reversal of 135214769540 is 45967412531.

It is a happy number.

135214769540 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (135214769531) and next prime (135214769549).

It can be written as a sum of positive squares in 8 ways, for example, as 63911884864 + 71302884676 = 252808^2 + 267026^2 .

It is not an unprimeable number, because it can be changed into a prime (135214769549) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 734492 + ... + 899948.

It is an arithmetic number, because the mean of its divisors is an integer number (6124014225).

Almost surely, 2^135214769540 is an apocalyptic number.

135214769540 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

135214769540 is an abundant number, since it is smaller than the sum of its proper divisors (158737913260).

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

135214769540 is a wasteful number, since it uses less digits than its factorization.

135214769540 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 166904 (or 166902 counting only the distinct ones).

The product of its (nonzero) digits is 907200, while the sum is 47.

The spelling of 135214769540 in words is "one hundred thirty-five billion, two hundred fourteen million, seven hundred sixty-nine thousand, five hundred forty".