156860026 has 4 divisors (see below), whose sum is σ = 235290042. Its totient is φ = 78430012.

The previous prime is 156860021. The next prime is 156860051. The reversal of 156860026 is 620068651.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 114597025 + 42263001 = 10705^2 + 6501^2 .

It is a junction number, because it is equal to n+sod(n) for n = 156859973 and 156860000.

It is not an unprimeable number, because it can be changed into a prime (156860021) 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 as a sum of consecutive naturals, namely, 39215005 + ... + 39215008.

Almost surely, 2^156860026 is an apocalyptic number.

156860026 is a deficient number, since it is larger than the sum of its proper divisors (78430016).

156860026 is an equidigital number, since it uses as much as digits as its factorization.

156860026 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 78430015.

The product of its (nonzero) digits is 17280, while the sum is 34.

The square root of 156860026 is about 12524.3772699484. The cubic root of 156860026 is about 539.3087015808.

The spelling of 156860026 in words is "one hundred fifty-six million, eight hundred sixty thousand, twenty-six".