1394942137 has 8 divisors (see below), whose sum is σ = 1444089600. Its totient is φ = 1345864464.

The previous prime is 1394942113. The next prime is 1394942147. The reversal of 1394942137 is 7312494931.

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

It is a cyclic number.

It is not a de Polignac number, because 1394942137 - 2²³ = 1386553529 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1394942093 and 1394942102.

It is not an unprimeable number, because it can be changed into a prime (1394942147) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 25018 + ... + 58444.

It is an arithmetic number, because the mean of its divisors is an integer number (180511200).

Almost surely, 2^1394942137 is an apocalyptic number.

It is an amenable number.

1394942137 is a deficient number, since it is larger than the sum of its proper divisors (49147463).

1394942137 is a wasteful number, since it uses less digits than its factorization.

1394942137 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34895.

The product of its digits is 163296, while the sum is 43.

The square root of 1394942137 is about 37348.9241745997. The cubic root of 1394942137 is about 1117.3401318450.

The spelling of 1394942137 in words is "one billion, three hundred ninety-four million, nine hundred forty-two thousand, one hundred thirty-seven".