1420077534 has 8 divisors (see below), whose sum is σ = 2840155080. Its totient is φ = 473359176.

The previous prime is 1420077511. The next prime is 1420077563. The reversal of 1420077534 is 4357700241.

It is a sphenic number, since it is the product of 3 distinct primes.

1420077534 is an admirable number.

It is a junction number, because it is equal to n+sod(n) for n = 1420077495 and 1420077504.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 118339789 + ... + 118339800.

It is an arithmetic number, because the mean of its divisors is an integer number (355019385).

Almost surely, 2^1420077534 is an apocalyptic number.

1420077534 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

1420077534 is a wasteful number, since it uses less digits than its factorization.

1420077534 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 236679594.

The product of its (nonzero) digits is 23520, while the sum is 33.

The square root of 1420077534 is about 37683.9161181531. The cubic root of 1420077534 is about 1124.0113214033.

Adding to 1420077534 its reverse (4357700241), we get a palindrome (5777777775).

The spelling of 1420077534 in words is "one billion, four hundred twenty million, seventy-seven thousand, five hundred thirty-four".