140427236 has 24 divisors (see below), whose sum is σ = 257572224. Its totient is φ = 66862400.

The previous prime is 140427229. The next prime is 140427239. The reversal of 140427236 is 632724041.

It is a super-2 number, since 2×140427236² = 39439617221199392, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 140427199 and 140427208.

It is not an unprimeable number, because it can be changed into a prime (140427239) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 18161 + ... + 24711.

It is an arithmetic number, because the mean of its divisors is an integer number (10732176).

Almost surely, 2^140427236 is an apocalyptic number.

It is an amenable number.

140427236 is a deficient number, since it is larger than the sum of its proper divisors (117144988).

140427236 is a wasteful number, since it uses less digits than its factorization.

140427236 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6811 (or 6809 counting only the distinct ones).

The product of its (nonzero) digits is 8064, while the sum is 29.

The square root of 140427236 is about 11850.1998295387. The cubic root of 140427236 is about 519.7770691345. Note that the first 3 decimals are identical.

The spelling of 140427236 in words is "one hundred forty million, four hundred twenty-seven thousand, two hundred thirty-six".