1505140434 has 64 divisors (see below), whose sum is σ = 3826452480. Its totient is φ = 429604560.

The previous prime is 1505140421. The next prime is 1505140457. The reversal of 1505140434 is 4340415051.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a junction number, because it is equal to n+sod(n) for n = 1505140398 and 1505140407.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 650139 + ... + 652449.

It is an arithmetic number, because the mean of its divisors is an integer number (59788320).

Almost surely, 2^1505140434 is an apocalyptic number.

1505140434 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

1505140434 is an abundant number, since it is smaller than the sum of its proper divisors (2321312046).

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

1505140434 is a wasteful number, since it uses less digits than its factorization.

1505140434 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4052 (or 4046 counting only the distinct ones).

The product of its (nonzero) digits is 4800, while the sum is 27.

The square root of 1505140434 is about 38796.1394213393. The cubic root of 1505140434 is about 1146.0203801096.

Adding to 1505140434 its reverse (4340415051), we get a palindrome (5845555485).

The spelling of 1505140434 in words is "one billion, five hundred five million, one hundred forty thousand, four hundred thirty-four".