1534140790 has 32 divisors (see below), whose sum is σ = 3398713920. Its totient is φ = 485529984.

The previous prime is 1534140787. The next prime is 1534140821. The reversal of 1534140790 is 970414351.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 842025 + ... + 843844.

It is an arithmetic number, because the mean of its divisors is an integer number (106209810).

Almost surely, 2^1534140790 is an apocalyptic number.

1534140790 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1534140790 is an abundant number, since it is smaller than the sum of its proper divisors (1864573130).

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

1534140790 is a wasteful number, since it uses less digits than its factorization.

1534140790 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1685896.

The product of its (nonzero) digits is 15120, while the sum is 34.

The square root of 1534140790 is about 39168.1093493163. The cubic root of 1534140790 is about 1153.3339396754. Note that the first 3 decimals are identical.

The spelling of 1534140790 in words is "one billion, five hundred thirty-four million, one hundred forty thousand, seven hundred ninety".