40353137 has 6 divisors (see below), whose sum is σ = 44355234. Its totient is φ = 36684560.

The previous prime is 40353113. The next prime is 40353139. The reversal of 40353137 is 73135304.

It can be written as a sum of positive squares in only one way, i.e., 29170801 + 11182336 = 5401^2 + 3344^2 .

It is not a de Polignac number, because 40353137 - 2⁸ = 40352881 is a prime.

It is not an unprimeable number, because it can be changed into a prime (40353139) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 166628 + ... + 166869.

It is an arithmetic number, because the mean of its divisors is an integer number (7392539).

Almost surely, 2^40353137 is an apocalyptic number.

It is an amenable number.

40353137 is a deficient number, since it is larger than the sum of its proper divisors (4002097).

40353137 is a wasteful number, since it uses less digits than its factorization.

40353137 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 333519 (or 333508 counting only the distinct ones).

The product of its (nonzero) digits is 3780, while the sum is 26.

The square root of 40353137 is about 6352.4119041511. The cubic root of 40353137 is about 342.9986683501.

The spelling of 40353137 in words is "forty million, three hundred fifty-three thousand, one hundred thirty-seven".