40747135 has 16 divisors (see below), whose sum is σ = 57445920. Its totient is φ = 27354240.

The previous prime is 40747129. The next prime is 40747139. The reversal of 40747135 is 53174704.

40747135 = T₁₄₂₆ + T₁₄₂₇ + ... + T₁₄₆₄.

It is not a de Polignac number, because 40747135 - 2³ = 40747127 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 40747097 and 40747106.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40747139) 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, 27780 + ... + 29209.

It is an arithmetic number, because the mean of its divisors is an integer number (3590370).

Almost surely, 2^40747135 is an apocalyptic number.

40747135 is a deficient number, since it is larger than the sum of its proper divisors (16698785).

40747135 is a wasteful number, since it uses less digits than its factorization.

40747135 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 57018.

The product of its (nonzero) digits is 11760, while the sum is 31.

The square root of 40747135 is about 6383.3482593385. The cubic root of 40747135 is about 344.1113726953. Note that the first 3 decimals are identical.

The spelling of 40747135 in words is "forty million, seven hundred forty-seven thousand, one hundred thirty-five".