42135510 has 32 divisors (see below), whose sum is σ = 104389632. Its totient is φ = 10873440.

The previous prime is 42135497. The next prime is 42135523. The reversal of 42135510 is 1553124.

It is an interprime number because it is at equal distance from previous prime (42135497) and next prime (42135523).

It is a Curzon number.

It is a congruent number.

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, 21724 + ... + 23583.

It is an arithmetic number, because the mean of its divisors is an integer number (3262176).

Almost surely, 2^42135510 is an apocalyptic number.

42135510 is an abundant number, since it is smaller than the sum of its proper divisors (62254122).

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

42135510 is a wasteful number, since it uses less digits than its factorization.

42135510 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 45348.

The product of its (nonzero) digits is 600, while the sum is 21.

The square root of 42135510 is about 6491.1871025260. The cubic root of 42135510 is about 347.9761015429.

Adding to 42135510 its reverse (1553124), we get a palindrome (43688634).

The spelling of 42135510 in words is "forty-two million, one hundred thirty-five thousand, five hundred ten".