42136654 has 16 divisors (see below), whose sum is σ = 73253376. Its totient is φ = 17803800.

The previous prime is 42136651. The next prime is 42136663. The reversal of 42136654 is 45663124.

It is a super-2 number, since 2×42136654² = 3550995220631432, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42136651) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 20202 + ... + 22189.

It is an arithmetic number, because the mean of its divisors is an integer number (4578336).

Almost surely, 2^42136654 is an apocalyptic number.

42136654 is a deficient number, since it is larger than the sum of its proper divisors (31116722).

42136654 is a wasteful number, since it uses less digits than its factorization.

42136654 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42471.

The product of its digits is 17280, while the sum is 31.

The square root of 42136654 is about 6491.2752214030. The cubic root of 42136654 is about 347.9792507556.

Adding to 42136654 its reverse (45663124), we get a palindrome (87799778).

The spelling of 42136654 in words is "forty-two million, one hundred thirty-six thousand, six hundred fifty-four".