1374645090 has 256 divisors, whose sum is σ = 4314562560. Its totient is φ = 272471040.

The previous prime is 1374645073. The next prime is 1374645091. The reversal of 1374645090 is 905464731.

It is a super-2 number, since 2×1374645090² = 3779298246922216200, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is not an unprimeable number, because it can be changed into a prime (1374645091) by changing a digit.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 3131091 + ... + 3131529.

It is an arithmetic number, because the mean of its divisors is an integer number (16853760).

Almost surely, 2^1374645090 is an apocalyptic number.

1374645090 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 1374645090, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2157281280).

1374645090 is an abundant number, since it is smaller than the sum of its proper divisors (2939917470).

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

1374645090 is a wasteful number, since it uses less digits than its factorization.

1374645090 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 537.

The product of its (nonzero) digits is 90720, while the sum is 39.

The square root of 1374645090 is about 37076.2065211639. The cubic root of 1374645090 is about 1111.8943627761.

The spelling of 1374645090 in words is "one billion, three hundred seventy-four million, six hundred forty-five thousand, ninety".