215141426 has 24 divisors (see below), whose sum is σ = 353899776. Its totient is φ = 97968960.

The previous prime is 215141393. The next prime is 215141447. The reversal of 215141426 is 624141512.

It is a super-3 number, since 3×215141426³ (a number of 26 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 215141395 and 215141404.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 11915 + ... + 23921.

It is an arithmetic number, because the mean of its divisors is an integer number (14745824).

Almost surely, 2^215141426 is an apocalyptic number.

215141426 is a deficient number, since it is larger than the sum of its proper divisors (138758350).

215141426 is a wasteful number, since it uses less digits than its factorization.

215141426 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12074 (or 12057 counting only the distinct ones).

The product of its digits is 1920, while the sum is 26.

The square root of 215141426 is about 14667.7000923799. The cubic root of 215141426 is about 599.2039684307.

Adding to 215141426 its reverse (624141512), we get a palindrome (839282938).

The spelling of 215141426 in words is "two hundred fifteen million, one hundred forty-one thousand, four hundred twenty-six".