1361900 has 18 divisors (see below), whose sum is σ = 2955540. Its totient is φ = 544720.

The previous prime is 1361879. The next prime is 1361903. The reversal of 1361900 is 91631.

It is a super-2 number, since 2×1361900² = 3709543220000, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is not an unprimeable number, because it can be changed into a prime (1361903) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 6710 + ... + 6909.

2^1361900 is an apocalyptic number.

1361900 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1361900 is an abundant number, since it is smaller than the sum of its proper divisors (1593640).

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

1361900 is a wasteful number, since it uses less digits than its factorization.

1361900 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13633 (or 13626 counting only the distinct ones).

The product of its (nonzero) digits is 162, while the sum is 20.

The square root of 1361900 is about 1167.0047129296. The cubic root of 1361900 is about 110.8447359830.

The spelling of 1361900 in words is "one million, three hundred sixty-one thousand, nine hundred".