1154398402 has 8 divisors (see below), whose sum is σ = 1753516800. Its totient is φ = 569892804.

The previous prime is 1154398397. The next prime is 1154398411. The reversal of 1154398402 is 2048934511.

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

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3653002 + ... + 3653317.

It is an arithmetic number, because the mean of its divisors is an integer number (219189600).

Almost surely, 2^1154398402 is an apocalyptic number.

1154398402 is a deficient number, since it is larger than the sum of its proper divisors (599118398).

1154398402 is an equidigital number, since it uses as much as digits as its factorization.

1154398402 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7306400.

The product of its (nonzero) digits is 34560, while the sum is 37.

The square root of 1154398402 is about 33976.4389246431. The cubic root of 1154398402 is about 1049.0235524002.

The spelling of 1154398402 in words is "one billion, one hundred fifty-four million, three hundred ninety-eight thousand, four hundred two".