1381742167 has 8 divisors (see below), whose sum is σ = 1575561456. Its totient is φ = 1200427392.

The previous prime is 1381742161. The next prime is 1381742183. The reversal of 1381742167 is 7612471831.

It is a happy number.

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

It is not a de Polignac number, because 1381742167 - 2²³ = 1373353559 is a prime.

It is a super-2 number, since 2×1381742167² = 3818422832131711778, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1381742161) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3125893 + ... + 3126334.

It is an arithmetic number, because the mean of its divisors is an integer number (196945182).

Almost surely, 2^1381742167 is an apocalyptic number.

1381742167 is a gapful number since it is divisible by the number (17) formed by its first and last digit.

1381742167 is a deficient number, since it is larger than the sum of its proper divisors (193819289).

1381742167 is a wasteful number, since it uses less digits than its factorization.

1381742167 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6252257.

The product of its digits is 56448, while the sum is 40.

The square root of 1381742167 is about 37171.7926255918. The cubic root of 1381742167 is about 1113.8045912032.

The spelling of 1381742167 in words is "one billion, three hundred eighty-one million, seven hundred forty-two thousand, one hundred sixty-seven".