1941154397 has 16 divisors (see below), whose sum is σ = 2413754112. Its totient is φ = 1520017920.

The previous prime is 1941154381. The next prime is 1941154417. The reversal of 1941154397 is 7934511491.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 1941154397 - 2⁴ = 1941154381 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1941154357) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 101129 + ... + 118782.

It is an arithmetic number, because the mean of its divisors is an integer number (150859632).

Almost surely, 2^1941154397 is an apocalyptic number.

It is an amenable number.

1941154397 is a deficient number, since it is larger than the sum of its proper divisors (472599715).

1941154397 is a wasteful number, since it uses less digits than its factorization.

1941154397 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 220028.

The product of its digits is 136080, while the sum is 44.

The square root of 1941154397 is about 44058.5337590801. The cubic root of 1941154397 is about 1247.4410362986.

The spelling of 1941154397 in words is "one billion, nine hundred forty-one million, one hundred fifty-four thousand, three hundred ninety-seven".