1374226161 has 96 divisors (see below), whose sum is σ = 2523467520. Its totient is φ = 648130560.

The previous prime is 1374226159. The next prime is 1374226163. The reversal of 1374226161 is 1616224731.

It is an interprime number because it is at equal distance from previous prime (1374226159) and next prime (1374226163).

It is not a de Polignac number, because 1374226161 - 2¹ = 1374226159 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is not an unprimeable number, because it can be changed into a prime (1374226163) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 1252165 + ... + 1253261.

It is an arithmetic number, because the mean of its divisors is an integer number (26286120).

Almost surely, 2^1374226161 is an apocalyptic number.

1374226161 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

1374226161 is a deficient number, since it is larger than the sum of its proper divisors (1149241359).

1374226161 is a wasteful number, since it uses less digits than its factorization.

1374226161 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1175 (or 1164 counting only the distinct ones).

The product of its digits is 12096, while the sum is 33.

The square root of 1374226161 is about 37070.5565240124. The cubic root of 1374226161 is about 1111.7813997712.

It can be divided in two parts, 13742 and 26161, that added together give a triangular number (39903 = T₂₈₂).

The spelling of 1374226161 in words is "one billion, three hundred seventy-four million, two hundred twenty-six thousand, one hundred sixty-one".