1081936454 has 16 divisors (see below), whose sum is σ = 1690673040. Its totient is φ = 518826240.

The previous prime is 1081936439. The next prime is 1081936469. The reversal of 1081936454 is 4546391801.

It is an interprime number because it is at equal distance from previous prime (1081936439) and next prime (1081936469).

It is a Harshad number since it is a multiple of its sum of digits (41).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 106979 + ... + 116654.

It is an arithmetic number, because the mean of its divisors is an integer number (105667065).

Almost surely, 2^1081936454 is an apocalyptic number.

1081936454 is a deficient number, since it is larger than the sum of its proper divisors (608736586).

1081936454 is a wasteful number, since it uses less digits than its factorization.

1081936454 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 223735.

The product of its (nonzero) digits is 103680, while the sum is 41.

The square root of 1081936454 is about 32892.8024649770. The cubic root of 1081936454 is about 1026.5984036855.

The spelling of 1081936454 in words is "one billion, eighty-one million, nine hundred thirty-six thousand, four hundred fifty-four".