135261542 has 32 divisors (see below), whose sum is σ = 225227520. Its totient is φ = 60526080.

The previous prime is 135261527. The next prime is 135261547. The reversal of 135261542 is 245162531.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (135261547) 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, 237434 + ... + 238002.

It is an arithmetic number, because the mean of its divisors is an integer number (7038360).

Almost surely, 2^135261542 is an apocalyptic number.

135261542 is a deficient number, since it is larger than the sum of its proper divisors (89965978).

135261542 is a wasteful number, since it uses less digits than its factorization.

135261542 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 848.

The product of its digits is 7200, while the sum is 29.

The square root of 135261542 is about 11630.1995683651. The cubic root of 135261542 is about 513.3238521702.

The spelling of 135261542 in words is "one hundred thirty-five million, two hundred sixty-one thousand, five hundred forty-two".