1421402076 has 36 divisors (see below), whose sum is σ = 3611062000. Its totient is φ = 471417408.

The previous prime is 1421402057. The next prime is 1421402077. The reversal of 1421402076 is 6702041241.

It is a tau number, because it is divible by the number of its divisors (36).

It is a super-3 number, since 3×1421402076³ (a number of 28 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1421402077) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 92041 + ... + 106368.

Almost surely, 2^1421402076 is an apocalyptic number.

It is an amenable number.

1421402076 is an abundant number, since it is smaller than the sum of its proper divisors (2189659924).

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

1421402076 is a wasteful number, since it uses less digits than its factorization.

1421402076 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 198618 (or 198613 counting only the distinct ones).

The product of its (nonzero) digits is 2688, while the sum is 27.

The square root of 1421402076 is about 37701.4863897964. The cubic root of 1421402076 is about 1124.3606773428.

The spelling of 1421402076 in words is "one billion, four hundred twenty-one million, four hundred two thousand, seventy-six".