1381883154 has 16 divisors (see below), whose sum is σ = 2765448192. Its totient is φ = 460347408.

The previous prime is 1381883149. The next prime is 1381883159. The reversal of 1381883154 is 4513881831.

It is an interprime number because it is at equal distance from previous prime (1381883149) and next prime (1381883159).

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (1381883159) 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, 59269 + ... + 79224.

It is an arithmetic number, because the mean of its divisors is an integer number (172840512).

Almost surely, 2^1381883154 is an apocalyptic number.

1381883154 is an abundant number, since it is smaller than the sum of its proper divisors (1383565038).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1381883154 is a wasteful number, since it uses less digits than its factorization.

1381883154 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 140161.

The product of its digits is 92160, while the sum is 42.

The square root of 1381883154 is about 37173.6890017658. The cubic root of 1381883154 is about 1113.8424725174.

The spelling of 1381883154 in words is "one billion, three hundred eighty-one million, eight hundred eighty-three thousand, one hundred fifty-four".