1420537494 has 32 divisors (see below), whose sum is σ = 2904201216. Its totient is φ = 463010240.

The previous prime is 1420537487. The next prime is 1420537499. The reversal of 1420537494 is 4947350241.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1420537499) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 483859 + ... + 486785.

It is an arithmetic number, because the mean of its divisors is an integer number (90756288).

Almost surely, 2^1420537494 is an apocalyptic number.

1420537494 is an abundant number, since it is smaller than the sum of its proper divisors (1483663722).

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

1420537494 is a wasteful number, since it uses less digits than its factorization.

1420537494 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4700.

The product of its (nonzero) digits is 120960, while the sum is 39.

The square root of 1420537494 is about 37690.0184929644. The cubic root of 1420537494 is about 1124.1326632378.

The spelling of 1420537494 in words is "one billion, four hundred twenty million, five hundred thirty-seven thousand, four hundred ninety-four".