1396451427 has 16 divisors (see below), whose sum is σ = 2136837120. Its totient is φ = 794630592.

The previous prime is 1396451423. The next prime is 1396451449. The reversal of 1396451427 is 7241546931.

It is not a de Polignac number, because 1396451427 - 2² = 1396451423 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1396451423) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 134098 + ... + 144135.

It is an arithmetic number, because the mean of its divisors is an integer number (133552320).

Almost surely, 2^1396451427 is an apocalyptic number.

1396451427 is a deficient number, since it is larger than the sum of its proper divisors (740385693).

1396451427 is a wasteful number, since it uses less digits than its factorization.

1396451427 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 278482.

The product of its digits is 181440, while the sum is 42.

The square root of 1396451427 is about 37369.1239795637. The cubic root of 1396451427 is about 1117.7429639526.

The spelling of 1396451427 in words is "one billion, three hundred ninety-six million, four hundred fifty-one thousand, four hundred twenty-seven".