13940501834 has 48 divisors (see below), whose sum is σ = 24658069248. Its totient is φ = 5787713376.

The previous prime is 13940501749. The next prime is 13940501843. The reversal of 13940501834 is 43810504931.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 6979724 + ... + 6981720.

It is an arithmetic number, because the mean of its divisors is an integer number (513709776).

Almost surely, 2^13940501834 is an apocalyptic number.

13940501834 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

13940501834 is a deficient number, since it is larger than the sum of its proper divisors (10717567414).

13940501834 is a wasteful number, since it uses less digits than its factorization.

13940501834 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2259 (or 2156 counting only the distinct ones).

The product of its (nonzero) digits is 51840, while the sum is 38.

The spelling of 13940501834 in words is "thirteen billion, nine hundred forty million, five hundred one thousand, eight hundred thirty-four".