1098141478 has 8 divisors (see below), whose sum is σ = 1882528272. Its totient is φ = 470632056.

The previous prime is 1098141449. The next prime is 1098141479. The reversal of 1098141478 is 8741418901.

It is a happy number.

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

It is an alternating number because its digits alternate between odd and even.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1098141479) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 39219325 + ... + 39219352.

It is an arithmetic number, because the mean of its divisors is an integer number (235316034).

Almost surely, 2^1098141478 is an apocalyptic number.

1098141478 is a deficient number, since it is larger than the sum of its proper divisors (784386794).

1098141478 is an equidigital number, since it uses as much as digits as its factorization.

1098141478 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 78438686.

The product of its (nonzero) digits is 64512, while the sum is 43.

The square root of 1098141478 is about 33138.2177855116. The cubic root of 1098141478 is about 1031.6984194546.

The spelling of 1098141478 in words is "one billion, ninety-eight million, one hundred forty-one thousand, four hundred seventy-eight".