1306156 has 6 divisors (see below), whose sum is σ = 2285780. Its totient is φ = 653076.

The previous prime is 1306139. The next prime is 1306157. The reversal of 1306156 is 6516031.

It is not an unprimeable number, because it can be changed into a prime (1306157) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 163266 + ... + 163273.

2^1306156 is an apocalyptic number.

It is an amenable number.

1306156 is a deficient number, since it is larger than the sum of its proper divisors (979624).

1306156 is a wasteful number, since it uses less digits than its factorization.

1306156 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 326543 (or 326541 counting only the distinct ones).

The product of its (nonzero) digits is 540, while the sum is 22.

The square root of 1306156 is about 1142.8718213343. The cubic root of 1306156 is about 109.3112892632.

The spelling of 1306156 in words is "one million, three hundred six thousand, one hundred fifty-six".