113151947 has 2 divisors, whose sum is σ = 113151948. Its totient is φ = 113151946.

The previous prime is 113151943. The next prime is 113151959. The reversal of 113151947 is 749151311.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 113151947 - 2² = 113151943 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (113151943) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 56575973 + 56575974.

It is an arithmetic number, because the mean of its divisors is an integer number (56575974).

Almost surely, 2^113151947 is an apocalyptic number.

113151947 is a deficient number, since it is larger than the sum of its proper divisors (1).

113151947 is an equidigital number, since it uses as much as digits as its factorization.

113151947 is an evil number, because the sum of its binary digits is even.

The product of its digits is 3780, while the sum is 32.

The square root of 113151947 is about 10637.2903974649. The cubic root of 113151947 is about 483.6754121637.

The spelling of 113151947 in words is "one hundred thirteen million, one hundred fifty-one thousand, nine hundred forty-seven".