4013156 has 24 divisors (see below), whose sum is σ = 8499456. Its totient is φ = 1618560.

The previous prime is 4013153. The next prime is 4013159. The reversal of 4013156 is 6513104.

4013156 = T₃₀₉ + T₃₁₀ + ... + T₃₇₆.

It is an interprime number because it is at equal distance from previous prime (4013153) and next prime (4013159).

It is a super-2 number, since 2×4013156² = 32210842160672, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (4013153) 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, 3740 + ... + 4691.

It is an arithmetic number, because the mean of its divisors is an integer number (354144).

Almost surely, 2^4013156 is an apocalyptic number.

It is an amenable number.

4013156 is an abundant number, since it is smaller than the sum of its proper divisors (4486300).

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

4013156 is a wasteful number, since it uses less digits than its factorization.

4013156 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8459 (or 8457 counting only the distinct ones).

The product of its (nonzero) digits is 360, while the sum is 20.

The square root of 4013156 is about 2003.2863000580. The cubic root of 4013156 is about 158.9139468162.

The spelling of 4013156 in words is "four million, thirteen thousand, one hundred fifty-six".