1420237613 has 12 divisors (see below), whose sum is σ = 1511943072. Its totient is φ = 1333817280.

The previous prime is 1420237607. The next prime is 1420237633. The reversal of 1420237613 is 3167320241.

It is a happy number.

It is not a de Polignac number, because 1420237613 - 2¹⁰ = 1420236589 is a prime.

It is a super-3 number, since 3×1420237613³ (a number of 28 digits) contains 333 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1420237633) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 135698 + ... + 145788.

It is an arithmetic number, because the mean of its divisors is an integer number (125995256).

Almost surely, 2^1420237613 is an apocalyptic number.

It is an amenable number.

1420237613 is a deficient number, since it is larger than the sum of its proper divisors (91705459).

1420237613 is a wasteful number, since it uses less digits than its factorization.

1420237613 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10612 (or 10595 counting only the distinct ones).

The product of its (nonzero) digits is 6048, while the sum is 29.

The square root of 1420237613 is about 37686.0400281059. The cubic root of 1420237613 is about 1124.0535547424.

Adding to 1420237613 its reverse (3167320241), we get a palindrome (4587557854).

It can be divided in two parts, 14202 and 37613, that added together give a palindrome (51815).

The spelling of 1420237613 in words is "one billion, four hundred twenty million, two hundred thirty-seven thousand, six hundred thirteen".