1421534737027 has 4 divisors (see below), whose sum is σ = 1421564877936. Its totient is φ = 1421504596120.

The previous prime is 1421534737001. The next prime is 1421534737037. The reversal of 1421534737027 is 7207374351241.

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

It is a cyclic number.

It is not a de Polignac number, because 1421534737027 - 2³¹ = 1419387253379 is a prime.

It is a super-2 number, since 2×1421534737027² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1421534737037) 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 3 ways as a sum of consecutive naturals, for example, 14999599 + ... + 15094072.

It is an arithmetic number, because the mean of its divisors is an integer number (355391219484).

Almost surely, 2^{1421534737027} is an apocalyptic number.

1421534737027 is a deficient number, since it is larger than the sum of its proper divisors (30140909).

1421534737027 is an equidigital number, since it uses as much as digits as its factorization.

1421534737027 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30140908.

The product of its (nonzero) digits is 987840, while the sum is 46.

The spelling of 1421534737027 in words is "one trillion, four hundred twenty-one billion, five hundred thirty-four million, seven hundred thirty-seven thousand, twenty-seven".