1340156 has 12 divisors (see below), whose sum is σ = 2375520. Its totient is φ = 661440.

The previous prime is 1340153. The next prime is 1340159. The reversal of 1340156 is 6510431.

1340156 = T₄₃ + T₄₄ + ... + T₂₀₀.

It is an interprime number because it is at equal distance from previous prime (1340153) and next prime (1340159).

It is a super-3 number, since 3×1340156³ = 7220833315903549248, which contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1340153) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1805 + ... + 2436.

It is an arithmetic number, because the mean of its divisors is an integer number (197960).

2^1340156 is an apocalyptic number.

It is an amenable number.

1340156 is a deficient number, since it is larger than the sum of its proper divisors (1035364).

1340156 is a wasteful number, since it uses less digits than its factorization.

1340156 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4324 (or 4322 counting only the distinct ones).

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

The square root of 1340156 is about 1157.6510700552. The cubic root of 1340156 is about 110.2516552354.

Adding to 1340156 its reverse (6510431), we get a palindrome (7850587).

The spelling of 1340156 in words is "one million, three hundred forty thousand, one hundred fifty-six".